/* ═══════════════════════════════════════════════
   DESIGNER APP LAYOUT & COMPONENTS - WHITE ARCHITECTURAL STUDIO
   High-End European Studio Standard (Flos / Erco / Modular)
   ═══════════════════════════════════════════════ */

/* ═══════════ TOP BAR ═══════════ */
.designer-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 58px;
    padding: 0 20px;
    background: #ffffff;
    border-bottom: 1px solid var(--c-border);
    flex-shrink: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
    z-index: 20;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.topbar-back {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: var(--r-sm);
    color: var(--c-text-secondary);
    border: 1px solid var(--c-border);
    background: #ffffff;
    transition: all var(--t-fast);
}

.topbar-back:hover {
    background: var(--c-bg-surface);
    color: var(--c-text);
    border-color: #cbd5e1;
}

.topbar-title {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.2px;
    color: var(--c-text);
}

/* ═══════════ PHOTOSHOP-STYLE OPTIONS & CONTEXT STRIP ═══════════ */
.designer-options-strip {
    height: 42px;
    background: #ffffff;
    border-bottom: 1px solid var(--c-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    gap: 12px;
    flex-shrink: 0;
    z-index: 18;
    user-select: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.opt-strip-left,
.opt-strip-center,
.opt-strip-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.opt-strip-center {
    flex: 1;
    justify-content: center;
}

.opt-strip-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--c-text-muted, #94a3b8);
    margin-right: 2px;
}

.opt-strip-sep {
    width: 1px;
    height: 20px;
    background: var(--c-border, #e2e8f0);
    margin: 0 4px;
    flex-shrink: 0;
}

.opt-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 28px;
    padding: 0 10px;
    border-radius: 6px;
    border: 1px solid var(--c-border, #e2e8f0);
    background: #ffffff;
    color: var(--c-text, #334155);
    font-size: 11.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.opt-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #0f172a;
}

.opt-btn.active {
    background: rgba(37, 99, 235, 0.08);
    border-color: var(--c-accent, #1e293b);
    color: var(--c-accent, #1e293b);
    font-weight: 700;
}

.opt-btn.opt-icon-only {
    width: 28px;
    padding: 0;
    justify-content: center;
}

.opt-btn.opt-swap-btn {
    width: 28px;
    padding: 0;
    justify-content: center;
}

.opt-btn.opt-swap-btn:hover,
.opt-btn.opt-swap-btn.swapped {
    background: rgba(37, 99, 235, 0.12);
    border-color: var(--c-accent, #1e293b);
    color: var(--c-accent, #1e293b);
}

.opt-btn.opt-danger-btn:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #ef4444;
}

.opt-zoom-val {
    font-family: var(--font-mono, monospace);
    font-size: 11px;
    font-weight: 700;
    color: var(--c-text, #334155);
    min-width: 36px;
    text-align: center;
}

/* Integrated Room Dimensions Pill in Options Bar */
.opt-room-specs {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f1f5f9;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    color: var(--c-text, #334155);
}

.opt-room-specs svg {
    color: var(--c-accent, #1e293b);
}

.opt-dim-sep {
    color: #cbd5e1;
}

.opt-prefs-btn {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
    font-weight: 700;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.12);
}

.opt-prefs-btn:hover {
    background: #1e293b;
    border-color: #1e293b;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.2);
}

.topbar-center {
    display: flex;
    align-items: center;
    gap: 14px;
}

.topbar-divider {
    width: 1px;
    height: 20px;
    background: #cbd5e1;
    flex-shrink: 0;
}

.view-toggle {
    display: inline-flex;
    align-items: center;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 9px;
    padding: 3px;
    gap: 2px;
}

.view-btn {
    padding: 5px 16px;
    font-size: 11.5px;
    font-weight: 600;
    color: #64748b;
    border-radius: 6px;
    transition: all var(--t-fast);
}

.view-btn.active {
    background: #ffffff;
    color: #0f172a;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    font-weight: 700;
}

.view-btn:hover:not(.active) {
    color: #0f172a;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-action {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    border-radius: var(--r-sm);
    font-size: 12px;
    font-weight: 600;
    transition: all var(--t-normal);
}

.new-btn {
    background: #ffffff;
    border: 1px solid var(--c-border);
    color: var(--c-text);
    cursor: pointer;
}

.new-btn:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #0f172a;
}

.new-btn svg {
    color: #64748b;
    transition: transform 0.3s ease, color 0.2s ease;
}

.new-btn:hover svg {
    color: #0f172a;
    transform: rotate(-45deg);
}

.lang-btn {
    background: #ffffff;
    border: 1px solid var(--c-border);
    color: var(--c-text);
    cursor: pointer;
    padding: 8px 12px;
    gap: 6px;
    font-weight: 700;
}

.lang-btn:hover {
    background: var(--c-bg-surface);
    border-color: #cbd5e1;
    color: var(--c-accent);
}

.lang-btn svg {
    color: #64748b;
    flex-shrink: 0;
}

.open-btn {
    background: #ffffff;
    border: 1px solid var(--c-border);
    color: var(--c-text);
}

.open-btn:hover {
    background: #f8fafc;
    border-color: #0f172a;
    color: #0f172a;
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.08);
}

.export-btn {
    background: #ffffff;
    border: 1px solid var(--c-border);
    color: var(--c-text);
}

.export-btn:hover {
    background: #f8fafc;
    border-color: #0f172a;
    color: #0f172a;
    transform: translateY(-1px);
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.08);
}

.save-btn {
    background: #ffffff;
    border: 1px solid var(--c-border);
    color: var(--c-text);
}

.save-btn:hover {
    background: var(--c-bg-surface);
    border-color: #cbd5e1;
}

.quote-btn {
    background: #0f172a;
    color: #ffffff;
    border: 1px solid #0f172a;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.15);
}

.quote-btn:hover {
    background: #1e293b;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
}

/* ═══════════ DESIGNER BODY LAYOUT ═══════════ */
.designer-app {
    height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--c-bg-deep);
}

.designer-body {
    flex: 1;
    display: flex;
    flex-direction: row;
    position: relative;
    overflow: hidden;
    --panel-left-w: 360px;
    --panel-right-w: 320px;
}

/* ═══════════ PANELS (DESKTOP FLEX SYSTEM) ═══════════ */
.panel {
    background: #ffffff;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 14px 14px 20px 14px;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
    transition: width 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.18s ease, padding 0.22s ease;
}

.panel::-webkit-scrollbar {
    width: 5px;
}

.panel::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.panel-left {
    order: 1;
    width: var(--panel-left-w, 360px);
    min-width: 250px;
    max-width: 650px;
    flex-shrink: 0;
    flex-grow: 0;
    border-right: 1px solid var(--c-border);
    border-left: none;
}

.viewport {
    order: 3;
    flex: 1 1 0%;
    min-width: 0;
    height: 100%;
    position: relative;
    overflow: hidden;
    background: #f1f5f9;
}

.panel-right {
    order: 5;
    width: var(--panel-right-w, 320px);
    min-width: 250px;
    max-width: 650px;
    flex-shrink: 0;
    flex-grow: 0;
    border-left: 1px solid var(--c-border);
    border-right: none;
}

/* Swapped panels order & border inversion */
.designer-body.panels-swapped .panel-right {
    order: 1;
    border-right: 1px solid var(--c-border);
    border-left: none;
}

.designer-body.panels-swapped .resizer-right {
    order: 2;
}

.designer-body.panels-swapped .viewport {
    order: 3;
}

.designer-body.panels-swapped .resizer-left {
    order: 4;
}

.designer-body.panels-swapped .panel-left {
    order: 5;
    border-left: 1px solid var(--c-border);
    border-right: none;
}

/* Active resizing state: disable smooth transitions for 0-lag tracking */
.designer-body.is-resizing .panel,
.designer-body.is-resizing .viewport {
    transition: none !important;
    user-select: none !important;
}

/* Collapsed panel state */
.panel.collapsed {
    width: 0 !important;
    min-width: 0 !important;
    max-width: 0 !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    border-left: none !important;
    border-right: none !important;
    opacity: 0 !important;
    pointer-events: none !important;
    overflow: hidden !important;
}

/* Draggable resizer handles (splitters) */
.panel-resizer {
    width: 8px;
    cursor: col-resize;
    user-select: none;
    background: transparent;
    position: relative;
    z-index: 25;
    flex-shrink: 0;
    transition: background 0.15s ease;
    margin: 0 -4px;
}

.panel-resizer.resizer-left {
    order: 2;
}

.panel-resizer.resizer-right {
    order: 4;
}

.panel-resizer.collapsed {
    display: none !important;
}

.panel-resizer::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 40px;
    border-radius: 2px;
    background: #cbd5e1;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.panel-resizer:hover::after,
.panel-resizer.dragging::after {
    height: 72px;
    width: 4px;
    background: var(--c-accent, #1e293b);
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.45);
}

.panel-resizer:hover,
.panel-resizer.dragging {
    background: rgba(37, 99, 235, 0.08);
}

/* Desktop Panel Control Header */
.desktop-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2px 2px 10px 2px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--c-border);
    user-select: none;
}

.panel-head-title {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--c-text);
    cursor: grab;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px dashed transparent;
    transition: all 0.15s ease;
}

.panel-head-title:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.panel-head-title:active {
    cursor: grabbing;
    background: #e2e8f0;
}

.panel-grip-dots {
    color: #94a3b8;
    font-size: 13px;
    letter-spacing: -2px;
    user-select: none;
}

.panel-head-actions {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.panel-head-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    transition: all 0.15s ease;
}

.panel-head-btn:hover {
    background: #f1f5f9;
    border-color: var(--c-border);
    color: var(--c-text);
}

.panel-head-btn.panel-collapse-btn:hover {
    color: #0f172a;
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.panel.panel-dragging {
    opacity: 0.5;
}

.panel.panel-drag-over {
    outline: 2px dashed var(--c-accent, #1e293b);
    outline-offset: -3px;
    background: rgba(37, 99, 235, 0.03);
}

/* ═══════════ USER PREFERENCES & THEMES ═══════════ */
/* 1. DARK GRAPHITE CAD THEME (Photoshop / Blender / AutoCAD Standard - Zero Blue) */
body[data-theme="dark"],
body[data-theme="blueprint"],
[data-theme="dark"],
[data-theme="blueprint"] {
    --c-primary: #ffffff;
    --c-primary-light: #e4e4e7;
    --c-primary-dark: #f4f4f5;
    --c-primary-glow: rgba(255, 255, 255, 0.06);

    --c-accent: #1e293b;
    --c-accent-light: #fbbf24;
    --c-accent-dark: #b91c1c;
    --c-accent-glow: rgba(245, 158, 11, 0.2);

    --c-bg-deep: #121212;
    --c-bg: #181818;
    --c-bg-card: #202020;
    --c-bg-card-hover: #282828;
    --c-bg-surface: #1e1e1e;
    --c-bg-elevated: #242424;

    --c-border: #2e2e2e;
    --c-border-light: #242424;
    --c-border-accent: #52525b;

    --c-text: #f4f4f5;
    --c-text-secondary: #a1a1aa;
    --c-text-muted: #71717a;
}

/* Base Surfaces & Layout */
[data-theme="dark"] .designer-app {
    background: #121212 !important;
}

[data-theme="dark"] .panel,
[data-theme="dark"] .designer-topbar,
[data-theme="dark"] .designer-options-strip,
[data-theme="dark"] .prefs-modal-card {
    background: #181818 !important;
    border-color: #282828 !important;
    color: #f4f4f5 !important;
}

[data-theme="dark"] .viewport {
    background: #121212 !important;
}

/* Panel Headers & Sections */
[data-theme="dark"] .panel-header,
[data-theme="dark"] .desktop-panel-header {
    background: #181818 !important;
    border-bottom: 1px solid #282828 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .panel-title,
[data-theme="dark"] .desktop-panel-header h3 {
    color: #ffffff !important;
}

[data-theme="dark"] .panel-section-title,
[data-theme="dark"] .studio-field-label,
[data-theme="dark"] .dim-row label {
    color: #a1a1aa !important;
}

[data-theme="dark"] .section-tag {
    background: #242424 !important;
    border: 1px solid #333333 !important;
    color: #a1a1aa !important;
}

/* Topbar Header & Action Buttons (Eliminating Glaring White Blocks) */
[data-theme="dark"] .designer-topbar {
    background: #181818 !important;
    border-bottom: 1px solid #282828 !important;
}

[data-theme="dark"] .topbar-title {
    color: #ffffff !important;
}

[data-theme="dark"] .topbar-back {
    background: #222222 !important;
    border: 1px solid #333333 !important;
    color: #e4e4e7 !important;
}

[data-theme="dark"] .topbar-back:hover {
    background: #2a2a2a !important;
    border-color: #52525b !important;
    color: #ffffff !important;
}

[data-theme="dark"] .topbar-action,
[data-theme="dark"] .lang-btn,
[data-theme="dark"] .open-btn,
[data-theme="dark"] .export-btn,
[data-theme="dark"] .save-btn {
    background: #242424 !important;
    border: 1px solid #383838 !important;
    color: #e4e4e7 !important;
}

[data-theme="dark"] .topbar-action:hover,
[data-theme="dark"] .lang-btn:hover,
[data-theme="dark"] .open-btn:hover,
[data-theme="dark"] .export-btn:hover,
[data-theme="dark"] .save-btn:hover {
    background: #2e2e2e !important;
    border-color: #52525b !important;
    color: #ffffff !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4) !important;
}

[data-theme="dark"] .topbar-action svg,
[data-theme="dark"] .lang-btn svg,
[data-theme="dark"] .open-btn svg,
[data-theme="dark"] .export-btn svg,
[data-theme="dark"] .save-btn svg {
    color: #a1a1aa !important;
}

[data-theme="dark"] .topbar-action:hover svg {
    color: #ffffff !important;
}

/* Primary High-Contrast Quote CTA Button */
[data-theme="dark"] .topbar-action.quote-btn {
    background: #ffffff !important;
    border: 1px solid #ffffff !important;
    color: #121212 !important;
    font-weight: 700 !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4) !important;
}

[data-theme="dark"] .topbar-action.quote-btn:hover {
    background: #e4e4e7 !important;
    border-color: #e4e4e7 !important;
    color: #000000 !important;
    transform: translateY(-1px);
}

[data-theme="dark"] .topbar-action.quote-btn svg {
    color: #121212 !important;
}

/* View 2D / 3D Toggle & App Mode Toggle */
[data-theme="dark"] .topbar-divider {
    background: #334155 !important;
}

[data-theme="dark"] .app-mode-toggle,
[data-theme="dark"] .view-toggle {
    background: #121212 !important;
    border: 1px solid #282828 !important;
}

[data-theme="dark"] .mode-pill-btn,
[data-theme="dark"] .view-btn {
    color: #a1a1aa !important;
    background: transparent !important;
}

[data-theme="dark"] .mode-pill-btn:hover:not(.active),
[data-theme="dark"] .view-btn:hover:not(.active) {
    color: #ffffff !important;
}

[data-theme="dark"] .mode-pill-btn.active,
[data-theme="dark"] .view-btn.active {
    background: #2a2a2a !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.6) !important;
}

/* Options & Context Strip */
[data-theme="dark"] .designer-options-strip {
    background: #151515 !important;
    border-bottom: 1px solid #262626 !important;
}

[data-theme="dark"] .opt-strip-label {
    color: #71717a !important;
}

[data-theme="dark"] .opt-strip-sep {
    background: #2a2a2a !important;
}

[data-theme="dark"] .opt-btn {
    background: #202020 !important;
    border: 1px solid #303030 !important;
    color: #d4d4d8 !important;
}

[data-theme="dark"] .opt-btn:hover {
    background: #282828 !important;
    border-color: #444444 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .opt-btn.active {
    background: #2a2a2a !important;
    border-color: #52525b !important;
    color: #ffffff !important;
    font-weight: 600 !important;
}

[data-theme="dark"] .opt-btn.active svg {
    color: #1e293b !important;
}

[data-theme="dark"] .opt-prefs-btn {
    background: #262626 !important;
    color: #f4f4f5 !important;
    border: 1px solid #3c3c3c !important;
    font-weight: 600 !important;
}

[data-theme="dark"] .opt-prefs-btn:hover {
    background: #303030 !important;
    border-color: #52525b !important;
    color: #ffffff !important;
}

[data-theme="dark"] .opt-prefs-btn svg {
    color: #1e293b !important;
}

[data-theme="dark"] .opt-room-specs {
    background: #1c1c1c !important;
    border: 1px solid #2e2e2e !important;
    color: #a1a1aa !important;
}

[data-theme="dark"] .opt-room-specs strong {
    color: #ffffff !important;
}

/* Right Panel Studio Tabs (Eliminating Unfinished White Patch) */
[data-theme="dark"] .studio-tab-nav {
    background: #121212 !important;
    border: 1px solid #262626 !important;
}

[data-theme="dark"] .studio-tab-btn {
    background: transparent !important;
    color: #a1a1aa !important;
}

[data-theme="dark"] .studio-tab-btn:hover {
    background: #1f1f1f !important;
    color: #ffffff !important;
}

[data-theme="dark"] .studio-tab-btn.active {
    background: #282828 !important;
    color: #ffffff !important;
    font-weight: 700 !important;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.6) !important;
}

[data-theme="dark"] .studio-tab-btn.active svg {
    color: #1e293b !important;
}

/* Room Presets (Fixing Invisible Black Text on Dark Cards) */
[data-theme="dark"] .room-preset-card {
    background: #202020 !important;
    border: 1px solid #2e2e2e !important;
    color: #f4f4f5 !important;
}

[data-theme="dark"] .room-preset-card:hover {
    background: #262626 !important;
    border-color: #3e3e3e !important;
}

[data-theme="dark"] .preset-title {
    color: #f4f4f5 !important;
}

[data-theme="dark"] .preset-meta {
    color: #a1a1aa !important;
}

[data-theme="dark"] .preset-icon-wrap {
    background: #161616 !important;
}

[data-theme="dark"] .preset-icon-wrap svg {
    color: #a1a1aa !important;
}

[data-theme="dark"] .room-preset-card.active {
    background: #282828 !important;
    border-color: #666666 !important;
    box-shadow: 0 0 0 1.5px #666666 !important;
}

[data-theme="dark"] .room-preset-card.active .preset-title {
    color: #ffffff !important;
}

[data-theme="dark"] .room-preset-card.active .preset-meta {
    color: #d4d4d8 !important;
}

[data-theme="dark"] .room-preset-card.active .preset-icon-wrap {
    background: #383838 !important;
}

[data-theme="dark"] .room-preset-card.active .preset-icon-wrap svg {
    color: #ffffff !important;
}

/* Room Shapes, Geometry & Furniture Buttons */
[data-theme="dark"] .room-shape-btn,
[data-theme="dark"] .shape-btn,
[data-theme="dark"] .rail-type-btn,
[data-theme="dark"] .furniture-set-btn,
[data-theme="dark"] .preset-btn,
[data-theme="dark"] .quick-shape-btn,
[data-theme="dark"] .panel-collapse-btn {
    background: #202020 !important;
    border: 1px solid #2e2e2e !important;
    color: #a1a1aa !important;
}

[data-theme="dark"] .room-shape-btn:hover,
[data-theme="dark"] .shape-btn:hover,
[data-theme="dark"] .rail-type-btn:hover,
[data-theme="dark"] .furniture-set-btn:hover,
[data-theme="dark"] .preset-btn:hover,
[data-theme="dark"] .quick-shape-btn:hover {
    background: #262626 !important;
    border-color: #3e3e3e !important;
    color: #ffffff !important;
}

[data-theme="dark"] .room-shape-btn.active,
[data-theme="dark"] .shape-btn.active,
[data-theme="dark"] .rail-type-btn.active,
[data-theme="dark"] .furniture-set-btn.active {
    background: #282828 !important;
    border-color: #666666 !important;
    box-shadow: 0 0 0 1.5px #666666 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .room-shape-btn.active svg,
[data-theme="dark"] .room-shape-btn.active span,
[data-theme="dark"] .furniture-set-btn.active .fset-name {
    color: #ffffff !important;
}

[data-theme="dark"] .furniture-switch-pill {
    background: #202020 !important;
    border: 1px solid #303030 !important;
    color: #a1a1aa !important;
}

[data-theme="dark"] .furniture-switch-pill.active {
    background: #333333 !important;
    border-color: #555555 !important;
    color: #ffffff !important;
}

/* Dimension Inputs & CAD Controls */
[data-theme="dark"] .dim-input-wrap input,
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="text"],
[data-theme="dark"] select {
    background: #141414 !important;
    border: 1px solid #333333 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .dim-input-wrap input:focus,
[data-theme="dark"] input[type="number"]:focus,
[data-theme="dark"] input[type="text"]:focus,
[data-theme="dark"] select:focus {
    background: #1a1a1a !important;
    border-color: #666666 !important;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .dim-unit {
    color: #71717a !important;
}

/* Product Catalog in Left Panel */
[data-theme="dark"] .product-item {
    background: #1f1f1f !important;
    border: 1px solid #2b2b2b !important;
    color: #f4f4f5 !important;
}

[data-theme="dark"] .product-item:hover {
    background: #262626 !important;
    border-color: #383838 !important;
}

[data-theme="dark"] .product-thumb-wrap,
[data-theme="dark"] .product-img-wrap {
    background: #141414 !important;
    border: 1px solid #262626 !important;
}

[data-theme="dark"] .product-name {
    color: #ffffff !important;
}

[data-theme="dark"] .product-sku {
    color: #71717a !important;
}

[data-theme="dark"] .product-spec-pill,
[data-theme="dark"] .product-spec-badge {
    background: #282828 !important;
    color: #a1a1aa !important;
}

[data-theme="dark"] .product-add-btn,
[data-theme="dark"] .product-item-btn {
    background: #2c2c2c !important;
    border: 1px solid #3a3a3a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .product-add-btn:hover,
[data-theme="dark"] .product-item-btn:hover {
    background: #383838 !important;
    border-color: #52525b !important;
    color: #ffffff !important;
}

/* Placed Fixtures & Summary Cards */
[data-theme="dark"] .placed-item {
    background: #202020 !important;
    border: 1px solid #2e2e2e !important;
    color: #f4f4f5 !important;
}

[data-theme="dark"] .placed-item:hover {
    background: #262626 !important;
}

[data-theme="dark"] .summary-stat,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .power-calc-box {
    background: #1c1c1c !important;
    border: 1px solid #2a2a2a !important;
    color: #f4f4f5 !important;
}

[data-theme="dark"] .summary-stat-val,
[data-theme="dark"] .stat-val {
    color: #ffffff !important;
}

/* Viewport Watermark & Overlays */
[data-theme="dark"] .viewport-watermark {
    background: rgba(18, 18, 18, 0.85) !important;
    border: 1px solid #2e2e2e !important;
    color: #888888 !important;
}

/* Preferences & All Modals */
[data-theme="dark"] .modal-overlay,
[data-theme="dark"] .modal-backdrop {
    background: rgba(0, 0, 0, 0.75) !important;
}

[data-theme="dark"] .prefs-modal-card,
[data-theme="dark"] .modal-card,
[data-theme="dark"] .export-modal-card {
    background: #181818 !important;
    border: 1px solid #2e2e2e !important;
    color: #f4f4f5 !important;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8) !important;
}

[data-theme="dark"] .prefs-label {
    color: #a1a1aa !important;
}

[data-theme="dark"] .prefs-opt-card {
    background: #202020 !important;
    border: 1.5px solid #2e2e2e !important;
    color: #d4d4d8 !important;
}

[data-theme="dark"] .prefs-opt-card:hover {
    background: #262626 !important;
    border-color: #404040 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .prefs-opt-card.active {
    background: #282828 !important;
    border-color: #71717a !important;
    box-shadow: 0 0 0 1.5px #71717a !important;
    color: #ffffff !important;
}

[data-theme="dark"] .prefs-switch-item {
    background: #202020 !important;
    border: 1px solid #2e2e2e !important;
    color: #f4f4f5 !important;
}

[data-theme="dark"] .prefs-close-btn,
[data-theme="dark"] .modal-close-btn {
    background: #242424 !important;
    border: 1px solid #383838 !important;
    color: #d4d4d8 !important;
}

[data-theme="dark"] .prefs-close-btn:hover,
[data-theme="dark"] .modal-close-btn:hover {
    background: #2e2e2e !important;
    color: #ffffff !important;
}

/* Neutral Dark Scrollbars */
[data-theme="dark"] ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
[data-theme="dark"] ::-webkit-scrollbar-track {
    background: #141414;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: #333333;
    border-radius: 4px;
}
[data-theme="dark"] ::-webkit-scrollbar-thumb:hover {
    background: #4a4a4a;
}

/* 2. LEGACY THEME ALIAS (Treat any blueprint setting as Dark Graphite) */
body[data-theme="blueprint"],
[data-theme="blueprint"] {
    --c-primary: #ffffff;
    --c-primary-light: #e4e4e7;
    --c-primary-dark: #f4f4f5;
    --c-primary-glow: rgba(255, 255, 255, 0.06);

    --c-accent: #1e293b;
    --c-accent-light: #fbbf24;
    --c-accent-dark: #b91c1c;
    --c-accent-glow: rgba(245, 158, 11, 0.2);

    --c-bg-deep: #121212;
    --c-bg: #181818;
    --c-bg-card: #202020;
    --c-bg-card-hover: #282828;
    --c-bg-surface: #1e1e1e;
    --c-bg-elevated: #242424;

    --c-border: #2e2e2e;
    --c-border-light: #242424;
    --c-border-accent: #52525b;

    --c-text: #f4f4f5;
    --c-text-secondary: #a1a1aa;
    --c-text-muted: #71717a;
}

/* ═══════════ DESIGNER-ONLY TYPOGRAPHY / FONT PREFERENCES ═══════════ */
body[data-font="mono"] #designerApp,
#designerApp[data-font="mono"] {
    font-family: 'JetBrains Mono', 'Fira Code', monospace !important;
}

body[data-font="outfit"] #designerApp,
#designerApp[data-font="outfit"] {
    font-family: 'Outfit', sans-serif !important;
}

body[data-font="inter"] #designerApp,
#designerApp[data-font="inter"] {
    font-family: 'Inter', sans-serif !important;
}

/* ═══════════ DESIGNER-ONLY UI SCALE PREFERENCES ═══════════ */
body[data-ui-scale="compact"] #designerApp {
    font-size: 12.5px;
}
body[data-ui-scale="compact"] #designerApp .panel {
    padding: 10px 10px 16px 10px;
}
body[data-ui-scale="large"] #designerApp {
    font-size: 15px;
}

/* ═══════════ PREFERENCES MODAL CARDS & TOGGLES (REDESIGNED) ═══════════ */
.prefs-modal-card {
    max-width: 520px;
    width: 92%;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.prefs-modal-content {
    max-height: 68vh;
    overflow-y: auto;
    padding: 20px 22px;
}

.prefs-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.prefs-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.prefs-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--c-text-muted, #64748b);
}

.prefs-options-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.prefs-opt-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 10px 8px;
    border: 1.5px solid var(--c-border, #e2e8f0);
    border-radius: 8px;
    background: #f8fafc;
    color: var(--c-text, #334155);
    cursor: pointer;
    text-align: center;
    transition: all 0.15s ease;
}

.prefs-opt-card:hover {
    border-color: #cbd5e1;
    background: #f1f5f9;
}

.prefs-opt-card.active {
    border-color: #0f172a;
    background: #ffffff;
    color: #0f172a;
    box-shadow: 0 0 0 1px #0f172a;
    font-weight: 700;
}

.theme-swatch {
    width: 34px;
    height: 18px;
    border-radius: 4px;
    margin-bottom: 3px;
    border: 1px solid rgba(0, 0, 0, 0.15);
}

.theme-swatch.light-swatch {
    background: #ffffff;
    box-shadow: inset 0 0 0 1px #e2e8f0;
}

.theme-swatch.dark-swatch {
    background: #181818;
    border-color: #1e293b;
    box-shadow: inset 0 0 0 1px #333333;
}

.opt-font-preview {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
}

.opt-card-name {
    font-size: 11.5px;
    font-weight: 700;
}

.opt-card-sub {
    font-size: 9.5px;
    color: var(--c-text-muted, #94a3b8);
}

.prefs-toggles-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.prefs-switch-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: #f8fafc;
    border: 1px solid var(--c-border, #e2e8f0);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.prefs-switch-item:hover {
    background: #f1f5f9;
}

.switch-title {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--c-text, #0f172a);
}

.switch-desc {
    display: block;
    font-size: 10px;
    color: var(--c-text-muted, #64748b);
    margin-top: 2px;
}

.switch-input {
    width: 18px;
    height: 18px;
    accent-color: var(--c-primary, #0f172a);
    cursor: pointer;
}

/* Modal Actions in Preferences (Replaces Ugly White Full Button) */
.prefs-modal-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px;
    border-top: 1px solid var(--c-border, #e2e8f0);
    background: var(--c-bg-surface, #f8fafc);
}

.prefs-reset-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    color: #64748b;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: all 0.15s ease;
}

.prefs-reset-link:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #0f172a;
}

.prefs-confirm-btn {
    padding: 8px 24px;
    border-radius: 6px;
    font-size: 12.5px;
    font-weight: 700;
    background: #0f172a;
    color: #ffffff;
    border: none;
    cursor: pointer;
    transition: all 0.15s ease;
}

.prefs-confirm-btn:hover {
    background: #1e293b;
    transform: translateY(-1px);
}

/* Preferences Modal in Dark CAD Mode */
[data-theme="dark"] .prefs-modal-actions,
[data-theme="blueprint"] .prefs-modal-actions {
    background: #141414 !important;
    border-top: 1px solid #282828 !important;
}

[data-theme="dark"] .prefs-reset-link,
[data-theme="blueprint"] .prefs-reset-link {
    color: #71717a !important;
}

[data-theme="dark"] .prefs-reset-link:hover,
[data-theme="blueprint"] .prefs-reset-link:hover {
    background: #222222 !important;
    color: #ffffff !important;
}

[data-theme="dark"] .prefs-confirm-btn,
[data-theme="blueprint"] .prefs-confirm-btn {
    background: #ffffff !important;
    color: #121212 !important;
}

[data-theme="dark"] .prefs-confirm-btn:hover,
[data-theme="blueprint"] .prefs-confirm-btn:hover {
    background: #e4e4e7 !important;
}

.panel-section {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--c-border);
}

.panel-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

/* Section Header & Architectural Typography */
.section-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.section-title-row.collapsible {
    cursor: pointer;
    user-select: none;
    padding: 4px 6px;
    margin: -4px -6px 8px -6px;
    border-radius: 6px;
    transition: background 0.15s ease;
}

.section-title-row.collapsible:hover {
    background: #f1f5f9;
}

.section-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    color: #94a3b8;
    transition: transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), color 0.15s ease;
    flex-shrink: 0;
}

.section-title-row.collapsible:hover .section-chevron {
    color: #0f172a;
}

.panel-section.is-collapsed .section-chevron {
    transform: rotate(-90deg);
}

.panel-section.is-collapsed > :not(.section-title-row) {
    display: none !important;
}

.panel-section.is-collapsed {
    margin-bottom: 8px;
    padding-bottom: 8px;
}

.panel-heading {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--c-text);
}

.heading-num {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 10px;
    font-weight: 700;
    color: #0f172a;
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    padding: 2px 7px;
    border-radius: 4px;
    letter-spacing: 0.04em;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
    line-height: 1.3;
}

.section-badge {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 10.5px;
    font-weight: 600;
    color: #475569;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 0.02em;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
}

/* ═══════════ STUDIO TAB NAVIGATION ═══════════ */
.studio-tab-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    background: #f1f5f9;
    padding: 4px;
    border-radius: var(--r-md);
    margin-bottom: 18px;
    border: 1px solid var(--c-border);
}

.studio-tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 9px 4px;
    border-radius: var(--r-sm);
    font-size: 11px;
    font-weight: 600;
    color: var(--c-text-secondary);
    transition: all var(--t-fast);
}

.studio-tab-btn svg {
    stroke-width: 2;
    transition: transform var(--t-fast);
}

.studio-tab-btn:hover {
    color: var(--c-text);
    background: rgba(255, 255, 255, 0.6);
}

.studio-tab-btn.active {
    background: #ffffff;
    color: var(--c-text);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    font-weight: 700;
}

.studio-tab-btn.active svg {
    color: var(--c-accent);
}

/* Tab Panes */
.studio-tab-pane {
    display: none;
}

.studio-tab-pane.active {
    display: block;
    animation: fadeInPane 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInPane {
    from {
        opacity: 0;
        transform: translateY(3px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Architectural Callout Box */
.panel-info-callout {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: var(--r-sm);
    padding: 12px;
    margin-top: 14px;
}

.callout-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 6px;
}

.callout-header svg {
    color: var(--c-accent);
    flex-shrink: 0;
}

.panel-info-callout p {
    font-size: 11px;
    line-height: 1.5;
    color: #64748b;
    margin: 0;
}

/* ═══════════ ROOM PRESETS GRID ═══════════ */
.room-preset-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.room-preset-card {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 8px 8px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    text-align: left;
    cursor: pointer;
    min-width: 0;
    box-sizing: border-box;
    transition: all var(--t-fast);
}

.room-preset-card:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.04);
}

.room-preset-card.active {
    border-color: #0f172a;
    background: #f8fafc;
    box-shadow: 0 0 0 1.5px #0f172a;
}

.preset-icon-wrap {
    width: 26px;
    height: 26px;
    border-radius: var(--r-sm);
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--t-fast);
}

.preset-icon-wrap svg {
    width: 15px;
    height: 15px;
    color: #475569;
    transition: color var(--t-fast);
}

.room-preset-card.active .preset-icon-wrap {
    background: #0f172a;
}

.room-preset-card.active .preset-icon-wrap svg {
    color: #ffffff;
}

.preset-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
    overflow: hidden;
}

.preset-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
}

.preset-meta {
    font-size: 9px;
    color: #94a3b8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
    margin-top: 1px;
}

.room-preset-card.active .preset-title {
    color: #0f172a;
}

.room-preset-card.active .preset-meta {
    color: #64748b;
    font-weight: 600;
}

/* ═══════════ ROOM SHAPE GRID ═══════════ */
.room-shape-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
}

.room-shape-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 2px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    min-width: 0;
    box-sizing: border-box;
    transition: all var(--t-fast);
}

.room-shape-btn svg {
    width: 24px;
    height: 24px;
    color: #64748b;
    transition: color var(--t-fast);
}

.room-shape-btn span {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--c-text-secondary);
    white-space: nowrap;
}

.room-shape-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.room-shape-btn.active {
    border-color: #0f172a;
    background: #f8fafc;
    box-shadow: 0 0 0 1px #0f172a;
}

.room-shape-btn.active svg {
    color: #0f172a;
}

.room-shape-btn.active span {
    color: #0f172a;
    font-weight: 700;
}

/* ═══════════ FURNITURE SET GRID ═══════════ */
.furniture-set-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
    margin-bottom: 10px;
}

.furniture-set-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 2px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    cursor: pointer;
    min-width: 0;
    box-sizing: border-box;
    transition: all var(--t-fast);
}

.furniture-set-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.furniture-set-btn.active {
    border-color: #0f172a;
    background: #f8fafc;
    box-shadow: 0 0 0 1.5px #0f172a;
}

.fset-icon {
    font-size: 16px;
    line-height: 1;
}

.fset-name {
    font-size: 10px;
    font-weight: 600;
    color: var(--c-text-secondary);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.furniture-set-btn.active .fset-name {
    color: #0f172a;
    font-weight: 700;
}

/* ═══════════ FURNITURE CONTROLS ═══════════ */
.furniture-switch-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 9px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 600;
    background: #f1f5f9;
    color: var(--c-text-secondary);
    border: 1px solid var(--c-border);
    cursor: pointer;
    transition: all var(--t-fast);
}

.furniture-switch-pill:hover {
    background: #e2e8f0;
}

.furniture-switch-pill.active {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

.f-pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #94a3b8;
    transition: background var(--t-fast);
}

.furniture-switch-pill.active .f-pill-dot {
    background: #22c55e;
    box-shadow: 0 0 6px #22c55e;
}

.furniture-controls-card {
    background: #f8fafc;
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 12px;
}

.fc-desc {
    font-size: 11px;
    line-height: 1.5;
    color: var(--c-text-secondary);
    margin: 0;
}

.reset-furniture-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 12px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-size: 11px;
    font-weight: 600;
    color: var(--c-text);
    cursor: pointer;
    transition: all var(--t-fast);
}

.reset-furniture-btn:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: var(--c-accent);
}

.reset-furniture-btn svg {
    color: var(--c-text-secondary);
    transition: transform var(--t-fast);
}

.reset-furniture-btn:hover svg {
    transform: rotate(-45deg);
    color: var(--c-accent);
}

/* ═══════════ MODULAR FURNITURE ITEMS LIST ═══════════ */
.modular-furniture-container {
    background: #f8fafc;
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: 10px;
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.modular-furniture-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 6px;
    border-bottom: 1px solid #edf2f7;
}

.mfh-left {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--c-text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mfh-left svg {
    color: #64748b;
}

.mfh-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 9999px;
    background: #eff6ff;
    color: #1e293b;
    border: 1px solid #dbeafe;
}

.furniture-items-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
    max-height: 220px;
    overflow-y: auto;
    padding-right: 2px;
}

.furniture-item-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 8px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all var(--t-fast);
}

.furniture-item-card:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    transform: translateY(-1px);
}

.furniture-item-card.active {
    background: #eff6ff;
    border-color: #1e293b;
    box-shadow: 0 0 0 1px #1e293b;
}

.furniture-item-card.dimmed {
    opacity: 0.45;
    background: #f8fafc;
}

.fitm-left {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    flex: 1;
}

.fitm-icon {
    width: 26px;
    height: 26px;
    border-radius: 4px;
    background: #f1f5f9;
    display: grid;
    place-items: center;
    color: #0f172a;
    flex-shrink: 0;
    border: 1px solid #e2e8f0;
}

.fitm-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.fitm-name {
    font-size: 11px;
    font-weight: 600;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fitm-dim {
    font-size: 9.5px;
    color: #64748b;
    font-family: var(--font-mono);
}

.fitm-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.fitm-btn {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 1px solid var(--c-border);
    background: #ffffff;
    color: #64748b;
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all var(--t-fast);
}

.fitm-btn:hover {
    background: #f8fafc;
    color: var(--c-text);
    border-color: #94a3b8;
}

.fitm-btn.off {
    color: #ef4444;
    background: #fef2f2;
    border-color: #fecaca;
}

.fitm-btn.fitm-rotate:hover {
    color: #1e293b;
    border-color: #1e293b;
    background: #eff6ff;
}

.fitm-rot-badge {
    display: inline-block;
    padding: 0 4px;
    border-radius: 3px;
    background: #f1f5f9;
    color: #475569;
    font-size: 8.5px;
    font-weight: 600;
    margin-left: 3px;
    border: 1px solid #e2e8f0;
}


/* ═══════════ RAIL TYPE BUTTONS ═══════════ */
.rail-types {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rail-type-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    transition: all var(--t-fast);
    text-align: left;
}

.rail-type-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.rail-type-btn.active {
    border-color: #0f172a;
    background: #f8fafc;
    box-shadow: 0 0 0 1px #0f172a;
}

.rail-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    color: #64748b;
}

.rail-icon svg {
    width: 100%;
    height: 100%;
}

.rail-type-btn.active .rail-icon {
    color: #0f172a;
}

.rail-meta {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.rail-name {
    font-size: 12px;
    font-weight: 700;
    color: var(--c-text);
}

.rail-meta small {
    font-size: 10px;
    color: #64748b;
    margin-top: 1px;
}

/* ═══════════ RAIL SHAPE GRID ═══════════ */
.shape-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.shape-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px 4px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    transition: all var(--t-fast);
}

.shape-btn svg {
    width: 30px;
    height: 30px;
    color: #64748b;
}

.shape-btn small {
    font-size: 10px;
    color: var(--c-text-secondary);
    font-weight: 600;
}

.shape-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.shape-btn.active {
    border-color: #0f172a;
    background: #f8fafc;
    box-shadow: 0 0 0 1px #0f172a;
}

.shape-btn.active svg {
    color: #0f172a;
}

.shape-btn.active small {
    color: #0f172a;
    font-weight: 700;
}

/* ═══════════ DIMENSION INPUTS ═══════════ */
.dimension-inputs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dim-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dim-input-wrap {
    position: relative;
}

.dim-input-wrap input {
    width: 100%;
    padding: 9px 40px 9px 12px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
    color: #0f172a;
    background: #f8fafc;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    transition: all var(--t-fast);
}

.dim-input-wrap input:focus {
    outline: none;
    border-color: #0f172a;
    background: #ffffff;
    box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.08);
}

.dim-unit {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 11px;
    color: #94a3b8;
    font-weight: 600;
    pointer-events: none;
    font-family: var(--font-mono);
}

.apply-dim-btn {
    width: 100%;
    padding: 10px;
    margin-top: 12px;
    background: #0f172a;
    border: 1px solid #0f172a;
    border-radius: var(--r-sm);
    font-size: 11px;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    transition: all var(--t-normal);
}

.apply-dim-btn:hover {
    background: #1e293b;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.12);
}

/* ═══════════ TARGET SURFACE & PBR MATERIALS ═══════════ */
.target-pills {
    display: flex;
    gap: 4px;
    background: #f1f5f9;
    padding: 3px;
    border-radius: var(--r-sm);
    margin-bottom: 8px;
    border: 1px solid var(--c-border);
}

.target-pill {
    flex: 1;
    padding: 6px 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--c-text-secondary);
    border-radius: 4px;
    text-align: center;
    transition: all var(--t-fast);
}

.target-pill.active {
    background: #ffffff;
    color: #0f172a;
    font-weight: 700;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.selected-wall-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: #f8fafc;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-size: 11px;
    color: #475569;
    font-weight: 500;
}

.sw-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-accent);
}

.mat-cat-tabs {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    padding-bottom: 6px;
    margin-bottom: 12px;
    scrollbar-width: none;
}

.mat-cat-tabs::-webkit-scrollbar {
    display: none;
}

.mat-tab {
    padding: 5px 10px;
    font-size: 11px;
    font-weight: 600;
    color: #64748b;
    background: #f1f5f9;
    border: 1px solid var(--c-border);
    border-radius: 9999px;
    white-space: nowrap;
    transition: all var(--t-fast);
}

.mat-tab:hover {
    color: #0f172a;
    background: #e2e8f0;
}

.mat-tab.active {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
}

/* ═══════════ 3D SHADER BALL INSPECTOR (GAME ENGINE VIEWPORT) ═══════════ */
.mat-inspector-section {
    margin-bottom: 12px;
}

.pbr-engine-badge {
    font-size: 8.5px;
    font-weight: 700;
    letter-spacing: 0.6px;
    padding: 3px 7px;
    border-radius: 4px;
    background: #0f172a;
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.3);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.12);
}

.mat-sphere-inspector {
    position: relative;
    width: 100%;
    height: 146px;
    border-radius: 12px;
    overflow: hidden;
    background: radial-gradient(circle at 50% 36%, #283344 0%, #0d121a 100%);
    border: 1px solid rgba(15, 23, 42, 0.15);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 6px 18px rgba(0, 0, 0, 0.12);
}

.mat-sphere-canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: grab;
    touch-action: none;
}

.mat-sphere-canvas:active {
    cursor: grabbing;
}

.mat-sphere-info-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px 12px;
}

.mso-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.mso-title {
    font-size: 11.5px;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mso-cat-pill {
    font-size: 8px;
    font-weight: 800;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    color: #f8fafc;
    border: 1px solid rgba(255, 255, 255, 0.22);
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.mso-pbr-stats {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    margin-bottom: 4px;
}

.mso-stat-chip {
    font-size: 9px;
    color: #94a3b8;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.mso-stat-chip strong {
    color: #ffffff;
    font-weight: 600;
}

.mso-stat-chip .mso-subval {
    color: #38bdf8;
    font-size: 8px;
}

.mso-orbit-prompt {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 8.5px;
    color: #64748b;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.7);
}

.mso-orbit-prompt svg {
    opacity: 0.8;
    stroke: #38bdf8;
}

/* ═══════════ MATERIALS SCROLL GRID & 3D SPHERE CARDS ═══════════ */
.materials-scroll-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    max-height: 290px;
    overflow-y: auto;
    padding: 2px 4px 6px 2px;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 transparent;
}

.materials-scroll-grid::-webkit-scrollbar {
    width: 4px;
}

.materials-scroll-grid::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.material-card {
    display: flex;
    flex-direction: column;
    padding: 7px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    cursor: grab;
    transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.2s, box-shadow 0.2s;
    user-select: none;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.material-card:hover {
    border-color: #94a3b8;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.material-card:active {
    cursor: grabbing;
}

.material-card.active {
    border-color: #0f172a;
    box-shadow: 0 0 0 2px #0f172a, 0 4px 14px rgba(15, 23, 42, 0.15);
    background: #fafbfe;
}

/* 3D Sphere Preview Container */
.mat-sphere-thumb-wrap {
    position: relative;
    width: 100%;
    height: 86px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 50% 36%, #2d3748 0%, #151a22 100%);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.35);
}

.mat-sphere-thumb-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 45%, rgba(255, 255, 255, 0.08) 0%, transparent 68%);
    pointer-events: none;
}

.mat-sphere-img {
    width: 68px;
    height: 68px;
    object-fit: contain;
    filter: drop-shadow(0 6px 10px rgba(0, 0, 0, 0.45));
    transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.25s ease;
    pointer-events: none;
}

.material-card:hover .mat-sphere-img {
    transform: scale(1.12) translateY(-2px);
    filter: drop-shadow(0 10px 16px rgba(0, 0, 0, 0.55));
}

.mat-pbr-pill {
    position: absolute;
    top: 5px;
    right: 5px;
    font-size: 7.5px;
    font-weight: 700;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    background: rgba(15, 23, 42, 0.85);
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    padding: 2px 5px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
    pointer-events: none;
}

.mat-card-info {
    padding-top: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mat-card-title {
    font-size: 11px;
    font-weight: 600;
    color: #1e293b;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
}

.mat-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mat-card-cat {
    font-size: 9px;
    font-weight: 600;
    color: #64748b;
    letter-spacing: 0.4px;
}

.mat-card-roughness {
    font-size: 8.5px;
    font-weight: 600;
    color: #94a3b8;
    font-family: 'JetBrains Mono', monospace;
}

/* ═══════════ CCT & DIMMER ═══════════ */
.cct-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-bottom: 14px;
}

.cct-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    transition: all var(--t-fast);
}

.cct-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.cct-btn.active {
    border-color: #0f172a;
    background: #f8fafc;
    box-shadow: 0 0 0 1px #0f172a;
}

.cct-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.cct-k {
    font-size: 11px;
    font-weight: 700;
    color: var(--c-text);
    font-family: var(--font-mono);
}

.cct-btn small {
    font-size: 9px;
    color: #64748b;
    white-space: nowrap;
}

.dimmer-live-badge {
    font-family: var(--font-mono);
    font-size: 12px;
    color: #0f172a;
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 4px;
}

.dimmer-slider-wrap {
    padding: 4px 0;
}

#dimmerSlider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e2e8f0;
    outline: none;
    margin-bottom: 8px;
}

#dimmerSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #0f172a;
    border: 2px solid #ffffff;
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
    transition: transform var(--t-fast);
}

#dimmerSlider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.slider-marks {
    display: flex;
    justify-content: space-between;
    font-size: 9px;
    font-family: var(--font-mono);
    color: #94a3b8;
}

/* ═══════════ CENTER VIEWPORT ═══════════ */
.viewport {
    order: 3;
    flex: 1 1 0%;
    min-width: 0;
    height: 100%;
    position: relative;
    overflow: hidden;
    background: #f1f5f9;
}

.viewport-2d, .viewport-3d {
    position: absolute;
    inset: 0;
    display: none;
    opacity: 0;
    pointer-events: none;
}

.viewport-2d.active, .viewport-3d.active {
    display: block;
    opacity: 1;
    pointer-events: auto;
}

.viewport-2d canvas, .viewport-3d canvas {
    width: 100%;
    height: 100%;
    display: block;
}

.viewport-watermark {
    position: absolute;
    bottom: 14px;
    left: 14px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-size: 10px;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    pointer-events: none;
    backdrop-filter: blur(8px);
}

.viewport-controls-hint {
    position: absolute;
    bottom: 14px;
    right: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-size: 10px;
    color: #64748b;
    pointer-events: none;
    backdrop-filter: blur(8px);
}

.viewport-controls-hint svg {
    color: #94a3b8;
    flex-shrink: 0;
}

/* Floating Viewport Toolbar */
.viewport-toolbar {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 8px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 9999px;
    backdrop-filter: blur(14px);
    z-index: 10;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.viewport-tool-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 600;
    color: var(--c-text-secondary);
    transition: all var(--t-fast);
}

.viewport-tool-btn:hover {
    background: #f1f5f9;
    color: var(--c-text);
}

.viewport-tool-btn.active {
    background: #0f172a;
    color: #ffffff;
}

.viewport-tool-btn.active svg {
    color: #ffffff;
}

.viewport-tool-btn.danger:hover {
    background: #fee2e2;
    color: var(--c-danger);
}

.toolbar-sep {
    width: 1px;
    height: 18px;
    background: #e2e8f0;
    margin: 0 2px;
}

.room-info-overlay {
    position: absolute;
    top: 14px;
    left: 14px;
    display: flex;
    gap: 8px;
    z-index: 10;
    transition: left var(--t-fast);
}

.room-info-overlay.in-3d {
    left: 96px;
}

.room-info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-size: 11px;
    color: #64748b;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.room-info-item b {
    color: var(--c-text);
    font-family: var(--font-mono);
    font-size: 11px;
}

.room-info-item svg {
    color: #94a3b8;
    flex-shrink: 0;
}

/* ═══════════ RIGHT PANEL - PRODUCTS & SUMMARY ═══════════ */
.products-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
    position: relative;
}

.product-item:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.05);
}

.product-thumb-wrap {
    width: 76px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 3px 5px;
    flex-shrink: 0;
    transition: all 0.2s ease;
    box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.02);
}

.product-item:hover .product-thumb-wrap {
    background: #ffffff;
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.product-thumb-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.10));
    transition: transform 0.2s ease;
}

.product-item:hover .product-thumb-img {
    transform: scale(1.08);
}

.product-icon {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background: #f8fafc;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    flex-shrink: 0;
    color: #0f172a;
}

.product-icon svg {
    width: 24px;
    height: 24px;
}

.product-info {
    flex: 1;
    min-width: 0;
}

.product-meta-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 3px;
}

.product-cat-tag {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #475569;
    text-transform: uppercase;
}

.product-code-tag {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 9px;
    font-weight: 600;
    color: #0f172a;
    background: #f1f5f9;
    padding: 1px 5px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.product-name {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.25;
}

.product-specs {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 10.5px;
    color: #64748b;
    margin-top: 3px;
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.product-spec-badge.bold {
    font-weight: 700;
    color: #0f172a;
}

.product-spec-sep {
    color: #cbd5e1;
    font-size: 9px;
}

.product-spec-desc {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #64748b;
    font-size: 10px;
}

.product-add-btn {
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    background: #f1f5f9;
    border: 1px solid var(--c-border);
    border-radius: 50%;
    color: #0f172a;
    font-size: 17px;
    font-weight: 700;
    transition: all var(--t-fast);
    flex-shrink: 0;
}

.product-item:hover .product-add-btn {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.2);
}

/* ═══════════ PROJECT SUMMARY TABLE ═══════════ */
.summary-results {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: #f8fafc;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    overflow: hidden;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 7px 12px;
    border-bottom: 1px solid #edf2f7;
    font-size: 11px;
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-row span {
    color: #64748b;
}

.summary-row b {
    color: #0f172a;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 700;
}

.summary-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    margin-top: 10px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: var(--r-sm);
    font-size: 11px;
    font-weight: 700;
    color: #15803d;
}

.status-indicator {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

.status-indicator.good {
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.4);
}

.status-indicator.warning {
    background: #1e293b;
    box-shadow: 0 0 6px rgba(245, 158, 11, 0.4);
}

.status-indicator.danger {
    background: #ef4444;
    box-shadow: 0 0 6px rgba(239, 68, 68, 0.4);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.35; }
}

/* ═══════════ PLACED PRODUCTS LIST ═══════════ */
.placed-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 220px;
    overflow-y: auto;
    scrollbar-width: thin;
}

.placed-empty {
    text-align: center;
    padding: 20px 10px;
    font-size: 11px;
    color: #94a3b8;
    font-style: italic;
    background: #f8fafc;
    border: 1px dashed var(--c-border);
    border-radius: var(--r-sm);
}

.placed-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    font-size: 11px;
    transition: all var(--t-fast);
}

.placed-item:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.placed-thumb-wrap {
    width: 34px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    flex-shrink: 0;
    padding: 2px;
}

.placed-thumb-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.placed-meta {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.placed-code {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 9px;
    font-weight: 700;
    color: #0f172a;
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    padding: 1px 5px;
    border-radius: 4px;
    flex-shrink: 0;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.placed-item .placed-icon {
    width: 20px;
    height: 20px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
    color: #0f172a;
}

.placed-name {
    font-weight: 600;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.placed-item .placed-name {
    flex: 1;
    font-weight: 600;
    color: var(--c-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.placed-item .placed-watt {
    font-family: var(--font-mono);
    color: #64748b;
    font-weight: 600;
    font-size: 10px;
}

.placed-remove {
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    border-radius: 4px;
    color: #94a3b8;
    font-size: 14px;
    transition: all var(--t-fast);
    flex-shrink: 0;
}

.placed-remove:hover {
    background: #fee2e2;
    color: var(--c-danger);
}

.placed-item.selected-fixture {
    border-color: #1e293b;
    background: #f1f5f9;
    box-shadow: 0 0 0 1px #1e293b;
}

.placed-angle-btn {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 2px 6px;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    font-family: var(--font-mono, monospace);
    color: #1e293b;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.placed-angle-btn:hover {
    background: #1e293b;
    color: #ffffff;
    border-color: #1e293b;
}

/* ═══════════ MOBILE ELEMENTS (HIDDEN ON DESKTOP) ═══════════ */
.mobile-panel-header,
.mobile-nav-bar,
.mobile-drawer-backdrop {
    display: none !important;
}

.mobile-panel-header {
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px 8px 18px;
    border-bottom: 1px solid var(--c-border);
    position: sticky;
    top: 0;
    background: #ffffff;
    z-index: 20;
}

.mobile-drag-pill {
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    width: 38px;
    height: 4px;
    border-radius: 4px;
    background: #cbd5e1;
}

.mobile-header-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--c-primary);
}

.mobile-panel-close-btn {
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    background: #f1f5f9;
    border: 1px solid var(--c-border);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    color: #475569;
    cursor: pointer;
    touch-action: manipulation;
    transition: all 0.15s ease;
}

.mobile-panel-close-btn:active {
    background: #e2e8f0;
    color: #0f172a;
    transform: scale(0.92);
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 1200px) {
    .designer-body {
        --panel-left-w: 290px;
        --panel-right-w: 270px;
    }
}

@media (max-width: 960px) {
    /* 1. GLOBAL PAGE & CONTAINER ENCLOSURE (ZERO OVERFLOW) */
    html, body.designer-page-body {
        width: 100vw !important;
        max-width: 100vw !important;
        overflow-x: hidden !important;
        overflow-y: hidden !important;
        position: fixed !important;
        inset: 0 !important;
    }

    #designerApp {
        width: 100vw !important;
        max-width: 100vw !important;
        height: 100dvh !important;
        overflow: hidden !important;
        display: flex !important;
        flex-direction: column !important;
    }

    /* 2. STRICTLY HIDE DESKTOP-ONLY OPTIONS STRIP & RESIZERS */
    #designerOptionsStrip,
    .designer-options-strip,
    .desktop-panel-header,
    .panel-resizer,
    .panel-edge-tab,
    .topbar-panel-toggles {
        display: none !important;
    }

    /* 3. SLEEK, ULTRA-CLEAN MOBILE TOPBAR */
    .designer-topbar {
        height: 48px !important;
        min-height: 48px !important;
        max-height: 48px !important;
        padding: 0 8px !important;
        width: 100vw !important;
        max-width: 100vw !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        gap: 6px !important;
        background: #ffffff !important;
        border-bottom: 1px solid #e2e8f0 !important;
        flex-shrink: 0 !important;
        z-index: 60 !important;
    }

    .topbar-left {
        display: flex !important;
        align-items: center !important;
        gap: 6px !important;
        flex-shrink: 0 !important;
    }

    .topbar-back {
        width: 32px !important;
        height: 32px !important;
        min-width: 32px !important;
        padding: 0 !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        border-radius: 8px !important;
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        color: #334155 !important;
        cursor: pointer;
    }

    .topbar-brand .brand-badge,
    .topbar-title {
        display: none !important;
    }

    .topbar-center {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 4px !important;
        flex: 1 !important;
        min-width: 0 !important;
        overflow: hidden !important;
    }

    .app-mode-toggle {
        display: inline-flex !important;
        padding: 2px !important;
        background: #f1f5f9 !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 8px !important;
        gap: 2px !important;
        flex-shrink: 0 !important;
    }

    .mode-pill-btn {
        padding: 4px 7px !important;
        font-size: 11px !important;
        font-weight: 600 !important;
        border-radius: 6px !important;
        gap: 4px !important;
        color: #64748b !important;
        background: transparent !important;
        border: none !important;
        white-space: nowrap !important;
    }

    .mode-pill-btn.active {
        background: #ffffff !important;
        color: #0f172a !important;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
    }

    .mode-pill-btn svg {
        width: 12px !important;
        height: 12px !important;
        flex-shrink: 0;
    }

    .topbar-divider {
        display: block !important;
        width: 1px !important;
        height: 16px !important;
        background: #e2e8f0 !important;
        margin: 0 2px !important;
        flex-shrink: 0 !important;
    }

    .view-toggle {
        display: inline-flex !important;
        padding: 2px !important;
        background: #f1f5f9 !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 8px !important;
        gap: 2px !important;
        flex-shrink: 0 !important;
    }

    .view-btn {
        padding: 4px 9px !important;
        font-size: 11px !important;
        font-weight: 700 !important;
        border-radius: 6px !important;
        color: #64748b !important;
        background: transparent !important;
        border: none !important;
        white-space: nowrap !important;
    }

    .view-btn.active {
        background: #ffffff !important;
        color: #0f172a !important;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
    }

    .topbar-right {
        display: flex !important;
        align-items: center !important;
        justify-content: flex-end !important;
        gap: 4px !important;
        flex-shrink: 0 !important;
    }

    /* Hide redundant desktop buttons on mobile topbar */
    #newProjectResetBtn,
    #langToggle,
    #openProjectBtn,
    #quoteBtn {
        display: none !important;
    }

    /* Show only Save & Export as compact touch-friendly icon buttons */
    #saveProjectBtn,
    #exportProjectBtn {
        display: inline-flex !important;
        width: 32px !important;
        height: 32px !important;
        min-width: 32px !important;
        max-width: 32px !important;
        padding: 0 !important;
        align-items: center !important;
        justify-content: center !important;
        border-radius: 8px !important;
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        color: #334155 !important;
        cursor: pointer !important;
    }

    .topbar-right button span,
    .topbar-action span,
    #saveProjectBtn span,
    #exportProjectBtn span {
        display: none !important;
        visibility: hidden !important;
    }

    #saveProjectBtn svg,
    #exportProjectBtn svg {
        width: 16px !important;
        height: 16px !important;
        stroke: #334155 !important;
        color: #334155 !important;
        fill: none !important;
        stroke-width: 2 !important;
        display: block !important;
        flex-shrink: 0 !important;
    }

    /* 4. DESIGNER BODY & VIEWPORT CONTAINER (100% FULLSCREEN) */
    .designer-body {
        display: block !important;
        position: relative !important;
        width: 100vw !important;
        max-width: 100vw !important;
        height: calc(100dvh - 48px) !important;
        overflow: hidden !important;
        flex: 1 !important;
    }

    .viewport {
        position: absolute !important;
        inset: 0 !important;
        bottom: 56px !important;
        width: 100% !important;
        height: calc(100% - 56px) !important;
        max-width: 100vw !important;
        overflow: hidden !important;
        z-index: 1;
    }

    .viewport-2d,
    .viewport-3d {
        position: absolute !important;
        inset: 0 !important;
        width: 100% !important;
        height: 100% !important;
    }

    #canvas2d,
    #canvas3d {
        position: absolute !important;
        inset: 0 !important;
        width: 100% !important;
        height: 100% !important;
        display: block !important;
    }

    .viewport-controls-hint,
    .viewport-watermark {
        display: none !important;
    }

    /* 5. MOBILE FLOATING QUICK HUD (TOP RIGHT) */
    .mobile-viewport-hud {
        display: flex !important;
        position: absolute !important;
        top: 10px !important;
        right: 10px !important;
        z-index: 25 !important;
        gap: 5px !important;
        background: rgba(255, 255, 255, 0.94) !important;
        backdrop-filter: blur(12px) !important;
        -webkit-backdrop-filter: blur(12px) !important;
        padding: 4px 6px !important;
        border-radius: 9999px !important;
        border: 1px solid #e2e8f0 !important;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08) !important;
    }

    .mobile-hud-btn {
        display: inline-flex !important;
        align-items: center !important;
        gap: 4px !important;
        height: 28px !important;
        padding: 0 9px !important;
        border-radius: 9999px !important;
        border: 1px solid #e2e8f0 !important;
        background: #f8fafc !important;
        color: #334155 !important;
        font-size: 11px !important;
        font-weight: 600 !important;
        cursor: pointer !important;
        transition: all 0.15s ease !important;
    }

    .mobile-hud-btn:active {
        background: #f1f5f9 !important;
        transform: scale(0.96) !important;
    }

    .mobile-hud-btn svg {
        flex-shrink: 0 !important;
    }

    /* 6. MOBILE FLOATING ROOM DIMENSIONS PILL (BOTTOM LEFT) */
    .mobile-room-info-pill {
        display: inline-flex !important;
        align-items: center !important;
        gap: 6px !important;
        position: absolute !important;
        bottom: 12px !important;
        left: 12px !important;
        z-index: 25 !important;
        padding: 6px 12px !important;
        border-radius: 9999px !important;
        background: rgba(255, 255, 255, 0.94) !important;
        backdrop-filter: blur(12px) !important;
        -webkit-backdrop-filter: blur(12px) !important;
        border: 1px solid #e2e8f0 !important;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08) !important;
        color: #0f172a !important;
        font-size: 11.5px !important;
        font-weight: 600 !important;
        cursor: pointer !important;
        user-select: none !important;
        transition: all 0.15s ease !important;
    }

    .mobile-room-info-pill:active {
        background: #ffffff !important;
        transform: scale(0.97) !important;
    }

    .mobile-room-info-pill svg {
        color: #2563eb !important;
    }

    .m-pill-sep {
        color: #cbd5e1 !important;
        font-weight: bold !important;
    }

    /* Hide room info pill when furniture or fixture HUD is active */
    .furniture-hud:not([style*="display: none"]) ~ .mobile-room-info-pill,
    .fixture-hud:not([style*="display: none"]) ~ .mobile-room-info-pill,
    .furniture-hud:not([style*="display: none"]) ~ .room-info-overlay,
    .fixture-hud:not([style*="display: none"]) ~ .room-info-overlay {
        opacity: 0 !important;
        visibility: hidden !important;
    }

    /* 7. MOBILE BOTTOM ACTION DOCK BAR */
    .mobile-nav-bar {
        display: flex !important;
        position: fixed !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        width: 100vw !important;
        max-width: 100vw !important;
        height: 56px !important;
        padding-bottom: env(safe-area-inset-bottom, 0px) !important;
        background: #ffffff !important;
        border-top: 1px solid #e2e8f0 !important;
        z-index: 100 !important;
        align-items: center !important;
        justify-content: space-around !important;
        padding-left: 4px !important;
        padding-right: 4px !important;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05) !important;
        box-sizing: border-box !important;
    }

    .mobile-nav-btn {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 3px !important;
        flex: 1 !important;
        height: 100% !important;
        color: #64748b !important;
        font-size: 10px !important;
        font-weight: 600 !important;
        border-radius: 8px !important;
        border: none !important;
        background: transparent !important;
        cursor: pointer !important;
        transition: all 0.15s ease !important;
        padding: 4px 2px !important;
    }

    .mobile-nav-btn svg {
        stroke: currentColor !important;
        transition: transform 0.15s ease !important;
    }

    .mobile-nav-btn:active {
        color: #0f172a !important;
    }

    .mobile-nav-btn.active {
        color: #0f172a !important;
        background: #f1f5f9 !important;
        font-weight: 700 !important;
    }

    .mobile-nav-btn.active svg {
        stroke: #0f172a !important;
        transform: translateY(-1px) !important;
    }

    /* 8. MOBILE BOTTOM-SHEET SLIDE-UP DRAWERS */
    .mobile-panel-header {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 10px 14px !important;
        border-bottom: 1px solid #e2e8f0 !important;
        background: #f8fafc !important;
        position: relative !important;
        flex-shrink: 0 !important;
    }

    .mobile-drag-pill {
        position: absolute !important;
        top: 6px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: 36px !important;
        height: 4px !important;
        border-radius: 9999px !important;
        background: #cbd5e1 !important;
    }

    .mobile-header-title {
        font-size: 13px !important;
        font-weight: 700 !important;
        color: #0f172a !important;
    }

    .mobile-panel-close-btn {
        width: 28px !important;
        height: 28px !important;
        border-radius: 50% !important;
        border: 1px solid #e2e8f0 !important;
        background: #ffffff !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        color: #64748b !important;
        cursor: pointer !important;
    }

    .panel-left,
    .panel-right {
        position: absolute !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 56px !important;
        width: 100% !important;
        max-width: 100vw !important;
        min-width: 0 !important;
        height: auto !important;
        max-height: calc(100dvh - 80px) !important;
        border-radius: 18px 18px 0 0 !important;
        background: #ffffff !important;
        border: 1px solid #cbd5e1 !important;
        border-bottom: none !important;
        box-shadow: 0 -10px 35px rgba(15, 23, 42, 0.25) !important;
        z-index: 90 !important;
        transform: translateY(115%) !important;
        transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.2s ease, visibility 0.28s !important;
        display: flex !important;
        flex-direction: column !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch !important;
        pointer-events: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
        padding-bottom: 24px !important;
        box-sizing: border-box !important;
    }

    .panel-left.mobile-open,
    .panel-right.mobile-open {
        transform: translateY(0) !important;
        pointer-events: auto !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .mobile-drawer-backdrop {
        display: block !important;
        position: absolute !important;
        inset: 0 !important;
        bottom: 56px !important;
        background: rgba(15, 23, 42, 0.5) !important;
        backdrop-filter: blur(3px) !important;
        -webkit-backdrop-filter: blur(3px) !important;
        z-index: 80 !important;
        opacity: 0 !important;
        pointer-events: none !important;
        visibility: hidden !important;
        transition: opacity 0.25s ease, visibility 0.25s !important;
    }

    .mobile-drawer-backdrop.active {
        opacity: 1 !important;
        pointer-events: auto !important;
        visibility: visible !important;
    }

    /* 9. MODALS ADAPTATION (PREVENTS ANY HORIZONTAL OVERFLOW) */
    .modal-card,
    .prefs-modal-card,
    .save-modal-card,
    .export-modal-card,
    .quote-modal-card {
        max-width: min(520px, calc(100vw - 20px)) !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .wall-dim-popover {
        position: fixed !important;
        left: 50% !important;
        top: 45% !important;
        transform: translate(-50%, -50%) !important;
        width: 90vw !important;
        max-width: 320px !important;
        z-index: 160 !important;
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6) !important;
    }

    .wall-dim-popover .wdp-arrow {
        display: none !important;
    }

    .dim-input-wrap input,
    .wdp-input-wrap input {
        font-size: 16px !important;
    }

    /* 10. MOBILE FLOATING HUDS POSITIONING (SAFE FROM DOCK COLLISION & ZERO OVERFLOW) */
    .furniture-hud {
        bottom: 64px !important;
        max-width: calc(100vw - 20px) !important;
        width: fit-content !important;
        padding: 6px 12px !important;
        gap: 8px !important;
    }

    .fixture-hud {
        bottom: 64px !important;
        left: 50% !important;
        transform: translateX(-50%) !important;
        width: calc(100vw - 20px) !important;
        max-width: 380px !important;
        padding: 8px 10px !important;
        gap: 6px !important;
        border-radius: 14px !important;
        box-sizing: border-box !important;
    }

    .fixture-hud .fhud-header-bar {
        width: 100% !important;
        justify-content: space-between !important;
    }

    .fixture-hud .fhud-title {
        max-width: 110px !important;
    }

    .fixture-hud .fxhud-segment-bar {
        width: 100% !important;
    }

    .fixture-hud .fhud-segment-btn {
        padding: 5px 2px !important;
        font-size: 10.5px !important;
    }

    .fixture-hud .fhud-controls-grid {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 5px !important;
        width: 100% !important;
    }

    .fixture-hud .fhud-controls-grid .fhud-divider {
        display: none !important;
    }

    .fixture-hud .fxhud-ctrl-row {
        width: 100% !important;
        justify-content: space-between !important;
    }

    .fixture-hud .fxhud-ctrl-label {
        width: 32px !important;
        flex-shrink: 0 !important;
        font-size: 10.5px !important;
    }

    .fixture-hud .fxhud-pills {
        flex: 1 !important;
    }

    .fixture-hud .fhud-slider-wrap {
        width: 58px !important;
        flex-shrink: 0 !important;
    }
}

@media (max-width: 480px) {
    .mode-pill-btn span {
        display: none !important;
    }
    .mode-pill-btn {
        padding: 5px 8px !important;
    }
    .view-btn {
        padding: 4px 7px !important;
        font-size: 10.5px !important;
    }
    .mobile-room-info-pill {
        font-size: 10.5px !important;
        padding: 5px 10px !important;
        bottom: 10px !important;
        left: 10px !important;
    }
}

/* ═══════════ FLOATING FURNITURE HUD (ROTATION & ACTIONS) ═══════════ */
.furniture-hud {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 14px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
    box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.1), 0 4px 10px -4px rgba(15, 23, 42, 0.05);
    z-index: 60;
    pointer-events: auto;
    animation: fhudSlideUp 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    color: #0f172a;
}

@keyframes fhudSlideUp {
    from {
        opacity: 0;
        transform: translate(-50%, 12px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.fhud-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.fhud-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #f1f5f9;
    color: #0f172a;
    border: 1px solid #e2e8f0;
}

.fhud-text {
    display: flex;
    align-items: center;
    gap: 6px;
}

.fhud-title {
    font-size: 12px;
    font-weight: 700;
    color: #0f172a;
    white-space: nowrap;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.fhud-angle-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-mono, monospace);
    color: #2563eb;
}

.fhud-divider {
    width: 1px;
    height: 18px;
    background: #e2e8f0;
    flex-shrink: 0;
}

.fhud-rot-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.fhud-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 4px 8px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 7px;
    color: #334155;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
    line-height: 1;
}

.fhud-btn:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #0f172a;
}

.fhud-btn:active {
    transform: scale(0.97);
}

.fhud-btn.primary,
.fhud-btn.active {
    background: #0f172a !important;
    border-color: #0f172a !important;
    color: #ffffff !important;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.15);
}

.fhud-slider-wrap {
    display: flex;
    align-items: center;
    padding: 0 4px;
}

.fhud-slider-wrap input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 65px;
    height: 4px;
    background: #e2e8f0;
    border-radius: 2px;
    outline: none;
    accent-color: #0f172a;
    cursor: pointer;
}

.fhud-slider-wrap input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #0f172a;
    border: 2px solid #ffffff;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.fhud-slider-wrap input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.fhud-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.fhud-btn.close {
    padding: 4px 6px;
    border-radius: 50%;
    color: #94a3b8;
    background: transparent;
    border-color: transparent;
}

.fhud-btn.close:hover {
    color: #ef4444;
    background: #fee2e2;
    border-color: #fecaca;
}

/* ═══════════ FLOATING FIXTURE HUD (SPOT & FOLDING ANGLE CONTROLLER) ═══════════ */
.fixture-hud {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 12px 32px -4px rgba(15, 23, 42, 0.1), 0 4px 12px -2px rgba(15, 23, 42, 0.05);
    z-index: 80;
    pointer-events: auto;
    animation: fhudSlideUp 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
    max-width: calc(100% - 24px);
    width: fit-content;
    color: #0f172a;
}

/* Header: Icon, Name, Badges, Reset, Close */
.fhud-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
}

.fhud-header-left {
    display: flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
}

.fhud-header-center {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.fhud-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.fxhud-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 9999px;
    font-size: 10px;
    font-weight: 700;
    font-family: var(--font-mono, monospace);
    color: #475569;
    white-space: nowrap;
}

.fxhud-badge.accent {
    background: #eff6ff;
    border-color: #bfdbfe;
    color: #2563eb;
}

.fhud-action-pill {
    padding: 3px 8px;
    font-size: 10.5px;
    font-weight: 600;
    border-radius: 9999px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: #475569;
}

.fhud-action-pill:hover {
    background: #f1f5f9;
    color: #0f172a;
    border-color: #cbd5e1;
}

/* Segmented Wall Presets Bar (Sol, Ön, Sağ, Arka, Zemin) */
.fxhud-segment-bar {
    display: flex;
    width: 100%;
    gap: 3px;
    background: #f1f5f9;
    padding: 3px;
    border-radius: 9px;
    border: 1px solid #e2e8f0;
    box-sizing: border-box;
}

.fhud-segment-btn {
    flex: 1 1 0;
    min-width: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 5px 6px;
    background: transparent;
    border: none;
    border-radius: 7px;
    font-size: 10.5px;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    line-height: 1;
}

.fhud-segment-btn svg {
    color: #64748b;
    flex-shrink: 0;
}

.fhud-segment-btn:hover {
    background: #ffffff;
    color: #0f172a;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.fhud-segment-btn:active {
    background: #0f172a;
    color: #ffffff;
}

.fhud-segment-btn:active svg {
    color: #ffffff;
}

/* Fine-tune Controls (Tilt & Pan) */
.fhud-controls-grid {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
}

.fxhud-ctrl-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.fxhud-ctrl-label {
    font-size: 10.5px;
    font-weight: 700;
    color: #64748b;
    white-space: nowrap;
}

.fxhud-pills {
    display: flex;
    align-items: center;
    gap: 3px;
    flex: 1;
}

.fhud-angle-btn {
    flex: 1;
    min-width: 28px;
    padding: 4px 3px;
    text-align: center;
    justify-content: center;
    font-size: 10.5px;
    font-weight: 600;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    color: #334155;
    cursor: pointer;
    transition: all 0.12s;
}

.fhud-angle-btn:hover {
    background: #f1f5f9;
    color: #0f172a;
    border-color: #cbd5e1;
}

.fhud-angle-btn.primary,
.fhud-angle-btn.active {
    background: #0f172a !important;
    color: #ffffff !important;
    border-color: #0f172a !important;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.18);
}

/* ═══════════ FLOATING WALL DIMENSION POPOVER (DOUBLE-CLICK INLINE EDIT) ═══════════ */
.wall-dim-popover {
    position: absolute;
    z-index: 65;
    background: rgba(15, 23, 42, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(217, 119, 6, 0.5);
    border-radius: 14px;
    padding: 12px 14px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 24px rgba(217, 119, 6, 0.2);
    min-width: 220px;
    pointer-events: auto;
    animation: wdpPopIn 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translate(-50%, -100%) translateY(-14px);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.wall-dim-popover.flip-bottom {
    transform: translate(-50%, 0) translateY(14px);
}

@keyframes wdpPopIn {
    from {
        opacity: 0;
        transform: translate(-50%, -85%) scale(0.94);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -100%) translateY(-14px) scale(1);
    }
}

.wall-dim-popover.flip-bottom {
    animation: wdpPopInBottom 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes wdpPopInBottom {
    from {
        opacity: 0;
        transform: translate(-50%, -10px) scale(0.94);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0) translateY(14px) scale(1);
    }
}

.wdp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.wdp-title-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #fbbf24;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.wdp-close-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
    border-radius: 6px;
    line-height: 1;
    transition: all 0.15s;
}

.wdp-close-btn:hover {
    color: #f8fafc;
    background: rgba(255, 255, 255, 0.1);
}

.wdp-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.wdp-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
    flex: 1;
}

.wdp-input-wrap input {
    width: 100%;
    height: 36px;
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.3);
    border-radius: 8px;
    padding: 0 34px 0 10px;
    color: #f8fafc;
    font-family: 'JetBrains Mono', monospace;
    font-size: 15px;
    font-weight: 700;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.wdp-input-wrap input:focus {
    border-color: #1e293b;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.wdp-unit {
    position: absolute;
    right: 10px;
    font-size: 11px;
    font-weight: 700;
    color: #94a3b8;
    pointer-events: none;
}

.wdp-meter-readout {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 700;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid rgba(56, 189, 248, 0.25);
    white-space: nowrap;
}

.wdp-quick-adjust {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 12px;
}

.wdp-quick-btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #cbd5e1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.15s;
}

.wdp-quick-btn:hover {
    background: rgba(37, 99, 235, 0.2);
    border-color: rgba(37, 99, 235, 0.4);
    color: #93c5fd;
}

.wdp-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
}

.wdp-btn-cancel {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #94a3b8;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
}

.wdp-btn-cancel:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #f1f5f9;
}

.wdp-btn-apply {
    display: flex;
    align-items: center;
    gap: 5px;
    background: #1e293b;
    border: none;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
    transition: all 0.15s;
}

.wdp-btn-apply:hover {
    background: #b91c1c;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.45);
}

.wdp-arrow {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: rgba(15, 23, 42, 0.94);
    border-right: 1px solid rgba(148, 163, 184, 0.4);
    border-bottom: 1px solid rgba(148, 163, 184, 0.4);
    pointer-events: none;
}

.wall-dim-popover.flip-bottom .wdp-arrow {
    bottom: auto;
    top: -6px;
    border-right: none;
    border-bottom: none;
    border-left: 1px solid rgba(148, 163, 184, 0.4);
    border-top: 1px solid rgba(148, 163, 184, 0.4);
}

/* ═══════════ SAVE & EXPORT MODAL (#saveModal) ═══════════ */
.save-modal-card {
    max-width: 500px !important;
    width: 92vw !important;
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 16px !important;
    box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.2), 0 0 0 1px rgba(15, 23, 42, 0.05) !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
}

.save-modal-card .modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 22px 24px 16px 24px;
    background: #ffffff;
    border-bottom: 1px solid #f1f5f9;
}

.save-modal-card .modal-header-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.save-modal-badge {
    display: inline-block;
    align-self: flex-start;
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #0f172a;
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 6px;
}

.save-modal-card .modal-title {
    font-size: 18px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
    margin: 0 0 4px 0;
}

.save-modal-card .modal-subtitle {
    font-size: 12px;
    color: #64748b;
    margin: 0;
    line-height: 1.45;
}

.save-modal-card .modal-close {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid transparent;
    background: transparent;
    color: #64748b;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
    margin-top: -2px;
}

.save-modal-card .modal-close:hover {
    background: #f1f5f9;
    color: #0f172a;
    border-color: #e2e8f0;
}

.save-modal-body {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: #ffffff;
}

.save-modal-body .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.save-modal-body .form-label {
    font-size: 12px;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: 0.01em;
}

.save-modal-body .form-input,
.save-modal-body .form-textarea {
    width: 100%;
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    background: #ffffff;
    color: #0f172a;
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 13px;
    transition: all 0.15s ease;
    outline: none;
    box-sizing: border-box;
}

.save-modal-body .form-input:focus,
.save-modal-body .form-textarea:focus {
    border-color: #0f172a;
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.08);
}

.save-modal-body .form-textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

.save-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    gap: 12px;
}

.save-modal-footer .modal-btn.outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 14px;
    border-radius: 8px;
    border: 1px solid #cbd5e1;
    background: #ffffff;
    color: #1e293b;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.save-modal-footer .modal-btn.outline:hover {
    background: #f1f5f9;
    border-color: #0f172a;
    color: #0f172a;
}

.save-modal-footer .modal-footer-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.save-modal-footer .modal-btn.secondary {
    padding: 9px 16px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    color: #475569;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.save-modal-footer .modal-btn.secondary:hover {
    background: #f1f5f9;
    color: #0f172a;
    border-color: #cbd5e1;
}

.save-modal-footer .modal-btn.primary {
    padding: 9px 18px;
    border-radius: 8px;
    border: 1px solid #0f172a;
    background: #0f172a;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.16);
    transition: all 0.15s ease;
}

.save-modal-footer .modal-btn.primary:hover {
    background: #1e293b;
    border-color: #1e293b;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.22);
}

[data-theme="dark"] .save-modal-card {
    background: #1e293b !important;
    border-color: #334155 !important;
}

[data-theme="dark"] .save-modal-card .modal-header,
[data-theme="dark"] .save-modal-body {
    background: #1e293b;
}

[data-theme="dark"] .save-modal-badge {
    background: #334155;
    border-color: #475569;
    color: #f8fafc;
}

[data-theme="dark"] .save-modal-card .modal-title {
    color: #f8fafc;
}

[data-theme="dark"] .save-modal-body .form-label {
    color: #cbd5e1;
}

[data-theme="dark"] .save-modal-body .form-input,
[data-theme="dark"] .save-modal-body .form-textarea {
    background: #0f172a;
    border-color: #334155;
    color: #f8fafc;
}

[data-theme="dark"] .save-modal-footer {
    background: #0f172a;
    border-color: #334155;
}

[data-theme="dark"] .save-modal-footer .modal-btn.outline,
[data-theme="dark"] .save-modal-footer .modal-btn.secondary {
    background: #1e293b;
    border-color: #334155;
    color: #cbd5e1;
}

[data-theme="dark"] .save-modal-footer .modal-btn.primary {
    background: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
}

/* ═══════════ ARCHITECTURAL QUOTE MODAL (TEKLİF AL) ═══════════ */
.quote-modal-card {
    max-width: 960px !important;
    width: 95vw !important;
    max-height: 92vh !important;
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 18px !important;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25), 0 0 0 1px rgba(15, 23, 42, 0.05) !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
}

.quote-modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 18px 24px 14px 24px;
    background: #ffffff;
    border-bottom: 1px solid #f1f5f9;
}

.quote-badge {
    display: inline-block;
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #0f172a;
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
}

.quote-modal-header .modal-title {
    font-size: 19px;
    font-weight: 800;
    color: #0f172a;
    letter-spacing: -0.02em;
    margin: 0 0 4px 0;
}

.quote-header-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.quote-ref-badge {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 11.5px;
    font-weight: 700;
    color: #0f172a;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    padding: 2px 8px;
    border-radius: 4px;
    letter-spacing: 0.04em;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.quote-date-badge {
    font-size: 12px;
    color: #64748b;
}

.quote-modal-content {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 20px;
    padding: 20px 24px;
    overflow-y: auto;
    max-height: calc(92vh - 150px);
}

@media (max-width: 880px) {
    .quote-modal-content {
        grid-template-columns: 1fr;
    }
}

/* Left Column: Specs & Bill of Materials */
.quote-col-specs {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.quote-summary-card {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.quote-spec-chips-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.quote-spec-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-size: 11px;
    color: #334155;
    font-weight: 600;
}

.quote-spec-chip strong {
    color: #0f172a;
    font-weight: 700;
}

/* BOM Table */
.quote-table-wrap {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    background: #ffffff;
}

.quote-bom-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.quote-bom-table th {
    background: #f8fafc;
    color: #64748b;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.05em;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
}

.quote-bom-table td {
    padding: 9px 12px;
    border-bottom: 1px solid #f1f5f9;
    color: #1e293b;
    vertical-align: middle;
}

.quote-bom-table tr:last-child td {
    border-bottom: none;
}

.quote-bom-table .table-product-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-product-thumb {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 2px;
    flex-shrink: 0;
}

.table-thumb-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.table-product-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(217, 119, 6, 0.12);
    color: #b91c1c;
    border-radius: 7px;
    flex-shrink: 0;
}

.table-product-icon svg {
    width: 16px;
    height: 16px;
}

.table-code {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    color: #b91c1c;
    background: #fef3c7;
    padding: 1px 5px;
    border-radius: 4px;
    margin-right: 5px;
}

.table-product-cell div {
    display: flex;
    flex-direction: column;
}

.table-product-cell strong {
    font-size: 12px;
    color: #0f172a;
}

.table-product-cell small {
    font-size: 10.5px;
    color: #64748b;
}

.quote-bom-table .text-center {
    text-align: center;
}

.quote-bom-table .text-right {
    text-align: right;
    font-family: 'JetBrains Mono', monospace;
}

.table-line-total {
    font-weight: 700;
    color: #0f172a;
}

/* Totals Box */
.quote-totals-box {
    background: #fafaf9;
    border: 1px solid #e7e5e4;
    border-radius: 12px;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.quote-totals-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: #64748b;
}

.quote-totals-row strong {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    color: #0f172a;
}

.quote-totals-row.grand-total {
    margin-top: 4px;
    padding-top: 8px;
    border-top: 1px dashed #d6d3d1;
    font-size: 14px;
    font-weight: 800;
    color: #0f172a;
}

.quote-totals-row.grand-total strong {
    font-size: 17px;
    color: #b91c1c;
}

.quote-tax-note {
    font-size: 10px;
    color: #94a3b8;
    margin-top: 2px;
}

/* Right Column: Customer Info & Form */
.quote-col-form {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quote-form-header {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #0f172a;
}

.quote-form-header h4 {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    color: #0f172a;
}

.quote-form-desc {
    margin: 0;
    font-size: 11.5px;
    color: #64748b;
    line-height: 1.4;
}

.quote-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.quote-field-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.quote-field-group.full-width {
    grid-column: span 2;
}

.quote-field-group label {
    font-size: 11px;
    font-weight: 700;
    color: #334155;
}

.quote-field-group input,
.quote-field-group textarea {
    width: 100%;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 8px 10px;
    font-size: 12px;
    color: #0f172a;
    font-family: inherit;
    outline: none;
    transition: all 0.15s ease;
}

.quote-field-group input:focus,
.quote-field-group textarea:focus {
    border-color: #b91c1c;
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

.quote-field-group textarea {
    resize: vertical;
    min-height: 52px;
}

/* Modal Actions / Buttons */
.quote-modal-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 24px;
    border-top: 1px solid #f1f5f9;
    background: #ffffff;
}

.modal-btn.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: #10b981;
    color: #ffffff;
    border: none;
    padding: 9px 16px;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
    transition: all 0.15s ease;
}

.modal-btn.whatsapp-btn:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
}

.modal-btn.outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    color: #334155;
    padding: 9px 15px;
    border-radius: 8px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

.modal-btn.outline:hover {
    background: #f8fafc;
    border-color: #94a3b8;
    color: #0f172a;
}

/* Success View */
.quote-success-view {
    padding: 36px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    animation: qsvFadeIn 0.25s ease-out;
}

@keyframes qsvFadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.qsv-icon-wrap {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #dcfce7;
    color: #16a34a;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.qsv-badge {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #16a34a;
    background: #f0fdf4;
    padding: 3px 10px;
    border-radius: 9999px;
    border: 1px solid #bbf7d0;
}

.qsv-title {
    font-size: 22px;
    font-weight: 800;
    color: #0f172a;
    margin: 0;
}

.qsv-desc {
    max-width: 520px;
    font-size: 13px;
    color: #64748b;
    line-height: 1.5;
    margin: 0;
}

.qsv-details-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 14px 20px;
    max-width: 500px;
    width: 100%;
    font-size: 12px;
    color: #334155;
    text-align: left;
    margin: 10px 0;
}

.qsv-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 8px;
}

/* ═══════════ DRAG & DROP OVERLAY ═══════════ */
.drop-zone-overlay {
    position: absolute;
    inset: 0;
    z-index: 100;
    background: rgba(15, 23, 42, 0.78);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    transition: all 0.2s ease;
}

.drop-zone-overlay.active {
    display: flex;
    pointer-events: auto;
}

.drop-zone-card {
    border: 2px dashed #38bdf8;
    background: rgba(15, 23, 42, 0.95);
    border-radius: 20px;
    padding: 36px 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(56, 189, 248, 0.35);
    text-align: center;
    animation: dropCardPulse 1.8s infinite alternate ease-in-out;
}

@keyframes dropCardPulse {
    from { transform: scale(0.98); border-color: #38bdf8; }
    to { transform: scale(1.02); border-color: #1e293b; }
}

.drop-zone-icon {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.15);
    display: grid;
    place-items: center;
    color: #38bdf8;
}

.drop-zone-card h3 {
    font-size: 19px;
    font-weight: 800;
    color: #ffffff;
    margin: 0;
}

.drop-zone-card p {
    font-size: 13px;
    color: #94a3b8;
    margin: 0;
}

/* ═══════════ EXPORT & SHARE MODAL ═══════════ */
.export-modal-card {
    max-width: 860px !important;
    width: 95vw !important;
    max-height: 92vh !important;
    background: #ffffff !important;
    border-radius: 20px !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25) !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
}

.export-modal-header {
    padding: 20px 24px 14px 24px;
    border-bottom: 1px solid #f1f5f9;
}

.export-badge {
    display: inline-block;
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #0f172a;
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
}

.export-modal-subtitle {
    font-size: 12.5px;
    color: #64748b;
    margin: 4px 0 0 0;
}

.export-modal-body {
    padding: 20px 24px;
    overflow-y: auto;
}

.export-stats-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 20px;
}

.export-stat-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: #475569;
}

.export-stat-pill strong {
    color: #0f172a;
    font-family: var(--font-mono);
}

.export-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (max-width: 720px) {
    .export-grid {
        grid-template-columns: 1fr;
    }
}

.export-card {
    position: relative;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 18px 20px;
    background: #ffffff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
    transition: all 0.2s ease;
}

.export-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06);
    transform: translateY(-2px);
}

.export-card.featured {
    border: 2px solid #0f172a;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08);
}

.export-card-badge {
    position: absolute;
    top: -10px;
    right: 16px;
    background: #0f172a;
    color: #ffffff;
    font-size: 9.5px;
    font-weight: 800;
    letter-spacing: 0.05em;
    padding: 3px 8px;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.25);
}

.export-card-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.export-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.export-card-icon.magnet-icon {
    background: #f1f5f9;
    color: #0f172a;
    border: 1px solid #e2e8f0;
}

.export-card-icon.image-icon {
    background: #f1f5f9;
    color: #1e293b;
    border: 1px solid #e2e8f0;
}

.export-card-icon.wa-icon {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

.export-card-icon.pdf-icon {
    background: #f1f5f9;
    color: #1e293b;
    border: 1px solid #e2e8f0;
}

.export-card-header h4 {
    font-size: 14.5px;
    font-weight: 700;
    color: #0f172a;
    margin: 0 0 2px 0;
}

.export-card-sub {
    font-size: 11px;
    color: #64748b;
}

.export-card-desc {
    font-size: 12px;
    line-height: 1.5;
    color: #475569;
    margin: 0;
}

.export-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
}

.export-card-actions.dual-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.export-card-actions.triple-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.export-card-actions.triple-actions .full-width-action {
    grid-column: 1 / -1;
}

.export-action-btn {
    width: 100%;
    justify-content: center;
    padding: 10px 14px !important;
    font-size: 12.5px !important;
    font-weight: 700 !important;
}

.export-modal-actions {
    padding: 14px 24px;
    border-top: 1px solid #f1f5f9;
    display: flex;
    justify-content: flex-end;
}

/* Print Stylesheet for High-End A4 Quote Sheet */
@media print {
    body * {
        visibility: hidden !important;
    }
    #quoteModal,
    #quoteModal * {
        visibility: visible !important;
    }
    #quoteModal {
        position: absolute !important;
        left: 0 !important;
        top: 0 !important;
        width: 100% !important;
        padding: 0 !important;
        background: #ffffff !important;
        z-index: 99999 !important;
    }
    .quote-modal-card {
        box-shadow: none !important;
        border: none !important;
        max-width: 100% !important;
        width: 100% !important;
        max-height: none !important;
    }
    .modal-close,
    .modal-actions,
    .quote-col-form,
    .qsv-actions {
        display: none !important;
    }
    .quote-modal-content {
        display: block !important;
        padding: 0 !important;
        max-height: none !important;
    }
    .quote-col-specs {
        width: 100% !important;
    }
}

/* ═══════════ SECTION 03: RAIL CUSTOMIZATION & SETTINGS ═══════════ */
.rail-opt-group {
    margin-bottom: 12px;
}

.rail-opt-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

/* Rail Finish / Color Picker */
.rail-color-picker {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.rail-color-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    background: #ffffff;
    border: 1.5px solid #e2e8f0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 11.5px;
    font-weight: 600;
    color: #334155;
    transition: all 0.15s ease;
}

.rail-color-btn:hover {
    border-color: #cbd5e1;
    background: #f8fafc;
}

.rail-color-btn.active {
    border-color: #0f172a;
    background: #f8fafc;
    color: #0f172a;
    box-shadow: 0 0 0 1px #0f172a;
}

.color-swatch {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
    flex-shrink: 0;
}

.color-swatch.black-swatch {
    background: #181a20;
    border: 1px solid #334155;
    box-shadow: inset 0 1px 2px rgba(255,255,255,0.15);
}

.color-swatch.white-swatch {
    background: #f8fafc;
    border: 1.5px solid #94a3b8;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

/* Margin Slider */
.rail-slider-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.rail-slider-header .rail-opt-label {
    margin-bottom: 0;
}

.rail-val-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 700;
    color: #0f172a;
    background: #f1f5f9;
    padding: 2px 7px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.rail-range-slider {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: #e2e8f0;
    border-radius: 4px;
    outline: none;
    cursor: pointer;
}

.rail-range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #0f172a;
    border: 2.5px solid #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.22);
    cursor: pointer;
    transition: transform 0.1s ease;
}

.rail-range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

/* Quick Rotation Buttons */
.rail-rot-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.rail-rot-btn {
    padding: 7px 4px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 7px;
    font-size: 11px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: #334155;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: center;
}

.rail-rot-btn:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #0f172a;
}

.rail-rot-btn:active {
    background: #e2e8f0;
    transform: translateY(1px);
}

/* Action Buttons (Add Segment, Reset) */
.rail-actions-row {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 8px;
    margin-top: 10px;
    margin-bottom: 12px;
}

.rail-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 11.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    color: #334155;
}

.rail-action-btn:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

.rail-action-btn.primary {
    background: #0f172a;
    border-color: #0f172a;
    color: #ffffff;
}

.rail-action-btn.primary:hover {
    background: #1e293b;
    border-color: #1e293b;
    box-shadow: 0 2px 6px rgba(15,23,42,0.18);
}

/* CAD Live Drafting Tips Box */
.rail-hint-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 9px;
    padding: 10px 12px;
    margin-top: 8px;
}

.rail-hint-box .hint-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 6px;
}

.rail-hint-box .hint-title svg {
    color: #1e293b;
}

.rail-hint-box ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.rail-hint-box li {
    font-size: 10px;
    line-height: 1.4;
    color: #64748b;
}


/* ═══════════ SPOT HEAD & ANGLE INSPECTOR IN RIGHT PANEL ═══════════ */
.spot-inspector-section {
    border-top: 1px solid var(--border, rgba(226, 232, 240, 0.8));
    padding-top: 14px;
    margin-top: 6px;
}

.spot-inspector-card {
    background: #f8fafc;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 14px;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.05);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.spot-inspector-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #e2e8f0;
}

.spot-inspector-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: #1e293b;
    color: #38bdf8;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.spot-inspector-title-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.spot-inspector-title-wrap strong {
    font-size: 13px;
    font-weight: 700;
    color: #0f172a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.spot-inspector-sub {
    font-size: 11px;
    color: #64748b;
}

.spinsp-subhead {
    font-size: 11.5px;
    font-weight: 700;
    color: #334155;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.spinsp-wall-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.spinsp-wall-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 10px;
    background: #ffffff;
    border: 1.5px solid #cbd5e1;
    border-radius: 8px;
    color: #1e293b;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.spinsp-wall-btn:hover {
    background: #1e293b;
    border-color: #1e293b;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.15);
}

.spinsp-wall-btn.active {
    background: #1e293b;
    border-color: #1e293b;
    color: #38bdf8;
    box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.3);
}

.spinsp-wall-floor {
    grid-column: span 2;
    background: #f1f5f9;
}

.spinsp-arrow {
    font-size: 14px;
}

.spinsp-sliders {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 4px;
}

.spinsp-control-row {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.spinsp-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    color: #334155;
}

.spinsp-angle-val {
    font-family: var(--font-mono, monospace);
    font-weight: 700;
    color: #0f172a;
    background: #e2e8f0;
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 11.5px;
}

.spinsp-range {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #cbd5e1;
    outline: none;
    accent-color: #1e293b;
    cursor: pointer;
}

.spinsp-quick-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.spinsp-chip {
    padding: 3px 7px;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 10.5px;
    font-weight: 600;
    color: #475569;
    cursor: pointer;
    transition: all 0.12s ease;
}

.spinsp-chip:hover {
    background: #1e293b;
    border-color: #1e293b;
    color: #ffffff;
}

.spinsp-tip-box {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 8px 10px;
    background: #f1f5f9;
    border-left: 3px solid #1e293b;
    border-radius: 0 6px 6px 0;
    font-size: 11px;
    line-height: 1.45;
    color: #475569;
}

.spot-inspector-empty {
    padding: 16px;
    text-align: center;
    background: #f8fafc;
    border: 1.5px dashed #cbd5e1;
    border-radius: 12px;
}

.spinsp-empty-icon {
    font-size: 24px;
    display: block;
    margin-bottom: 6px;
}

.spot-inspector-empty p {
    font-size: 12px;
    color: #64748b;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.spinsp-add-spot-btn {
    padding: 6px 14px;
    background: #1e293b;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

.spinsp-add-spot-btn:hover {
    background: #0f172a;
}


/* Placed Count Badge */
#placedCountBadge {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 11px;
    font-weight: 600;
    color: #0f172a;
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    padding: 2px 7px;
    border-radius: 4px;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

[data-theme="dark"] #placedCountBadge,
[data-theme="blueprint"] #placedCountBadge {
    color: #f1f5f9;
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

/* ═══════════ ARCHITECTURAL OPENINGS (DOORS & WINDOWS) ═══════════ */
.openings-action-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    margin-bottom: 12px;
}

.opening-add-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 7px 10px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    color: #1e293b;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.opening-add-btn:hover {
    background: #f1f5f9;
    border-color: #0f172a;
    color: #0f172a;
    transform: translateY(-1px);
}

.opening-add-btn svg {
    color: #0f172a;
    flex-shrink: 0;
}

.openings-items-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 380px;
    overflow-y: auto;
}

.opening-item-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 9px 11px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.opening-item-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.oic-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.oic-title-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 0;
}

.oic-icon {
    color: #0f172a;
    flex-shrink: 0;
}

.oic-name {
    font-size: 11.5px;
    font-weight: 700;
    color: #0f172a;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.oic-badge {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-size: 9.5px;
    font-weight: 700;
    color: #0f172a;
    background: #e2e8f0;
    border: 1px solid #cbd5e1;
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.oic-del-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: none;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    transition: all 0.15s;
}

.oic-del-btn:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

.oic-controls-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ═══════════ OPENINGS VISUAL LIBRARY & WALL PILLS ═══════════ */
.openings-library-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-bottom: 14px;
}

.opening-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    cursor: grab;
    transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.opening-card:hover {
    border-color: #38bdf8;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(14, 165, 233, 0.14);
}

.opening-card:active {
    cursor: grabbing;
}

.opening-card.dragging {
    opacity: 0.45;
    border-style: dashed;
    border-color: #0f172a;
}

.opening-thumb-wrap {
    position: relative;
    width: 100%;
    height: 64px;
    background: #0b0f17;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.opening-thumb-wrap svg {
    width: 100%;
    height: 100%;
}

.opening-badge-pill {
    position: absolute;
    top: 5px;
    left: 6px;
    padding: 1.5px 6px;
    border-radius: 4px;
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    font-size: 8.5px;
    font-weight: 700;
    letter-spacing: 0.3px;
    color: #f8fafc;
    text-transform: uppercase;
}

.opening-card-info {
    padding: 7px 8px 8px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.opening-card-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
}

.opening-card-title {
    font-size: 11.5px;
    font-weight: 600;
    color: #0f172a;
    line-height: 1.25;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.opening-card-quick-add {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    color: #0f172a;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.opening-card-quick-add:hover {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
    transform: scale(1.08);
}

.opening-card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 10px;
    color: #64748b;
}

.opening-card-dim {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-weight: 600;
    color: #475569;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.opening-card-drag-hint {
    font-size: 9px;
    color: #94a3b8;
    letter-spacing: 0.2px;
}

/* Placed openings section */
.openings-placed-heading-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin: 12px 0 8px 0;
    padding-bottom: 4px;
    border-bottom: 1px solid #f1f5f9;
}

.openings-placed-title {
    font-size: 11.5px;
    font-weight: 700;
    color: #334155;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.openings-placed-hint {
    font-size: 9.5px;
    color: #94a3b8;
}

.openings-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px 12px;
    gap: 8px;
    color: #94a3b8;
    font-size: 11px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    border-radius: 8px;
}

.openings-empty-state p {
    margin: 0;
    max-width: 240px;
    line-height: 1.4;
}

.oic-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.oic-dup-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    color: #475569;
    cursor: pointer;
    transition: all 0.15s ease;
}

.oic-dup-btn:hover {
    background: #e2e8f0;
    color: #0f172a;
    border-color: #94a3b8;
}

/* Wall Segment Pills (ZERO COMBOBOX!) */
.oic-wall-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.oic-row-label {
    font-size: 10.5px;
    font-weight: 600;
    color: #64748b;
    min-width: 42px;
}

.oic-wall-pills-list {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
    flex: 1;
}

.oic-wall-pill {
    padding: 3px 8px;
    border-radius: 5px;
    font-size: 10.5px;
    font-weight: 700;
    font-family: var(--font-mono, monospace);
    color: #475569;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.oic-wall-pill:hover {
    background: #e2e8f0;
    border-color: #94a3b8;
    color: #0f172a;
}

.oic-wall-pill.active {
    background: #0f172a;
    color: #ffffff;
    border-color: #0f172a;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.25);
}

.oic-pos-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.oic-slider-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
}

.oic-slider-label {
    font-size: 10.5px;
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-weight: 700;
    color: #0f172a;
    min-width: 32px;
    text-align: right;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.oic-slider-wrap input[type="range"] {
    flex: 1;
    height: 5px;
    accent-color: #0f172a;
    cursor: pointer;
}

.oic-dim-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 10.5px;
    color: #64748b;
    flex-wrap: wrap;
}

.oic-dim-tag {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    font-weight: 600;
    color: #1e293b;
    background: #ffffff;
    padding: 1px 6px;
    border-radius: 4px;
    border: 1px solid #e2e8f0;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

/* ═══════════ SKYBOX CARDS (MATERIAL CARD COMPATIBLE) ═══════════ */
.skybox-card {
    cursor: pointer !important;
}

.skybox-card .mat-sphere-thumb-wrap {
    background: #0f172a;
}

.skybox-card .mat-sphere-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

/* ═════════════════════════════════════════════════════════════════════
   BASIC MODE (BASİT TASARIM MODU) & MOBILE ADAPTATION STYLES
   ═════════════════════════════════════════════════════════════════════ */

/* App Mode Toggle Pill in Topbar */
.app-mode-toggle {
    display: inline-flex;
    align-items: center;
    background: #f1f5f9;
    border: 1px solid #e2e8f0;
    border-radius: 9px;
    padding: 3px;
    gap: 2px;
}

.mode-pill-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: #64748b;
    font-size: 11.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.18s ease;
    white-space: nowrap;
}

.mode-pill-btn:hover {
    color: #0f172a;
}

.mode-pill-btn.active {
    background: #ffffff;
    color: #0f172a;
    font-weight: 700;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

/* Mode Visibility Controls */
body.is-basic-mode #basicModePanel {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px 14px 28px 14px;
}

body.is-basic-mode #studioTabNav,
body.is-basic-mode .studio-tab-pane {
    display: none !important;
}

body:not(.is-basic-mode) #basicModePanel {
    display: none !important;
}

body:not(.is-basic-mode) #studioTabNav {
    display: flex;
}

/* Basic Mode Panel Layout */
.basic-mode-panel {
    width: 100%;
}

.basic-mode-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 13px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 12px;
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(15, 23, 42, 0.18);
}

.basic-banner-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.basic-banner-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.basic-banner-title {
    font-size: 12.5px;
    font-weight: 700;
    color: #ffffff;
}

.basic-banner-desc {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.3;
}

.basic-to-studio-link {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 5px 9px;
    border-radius: 7px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s ease;
    flex-shrink: 0;
}

.basic-to-studio-link:hover {
    background: rgba(255, 255, 255, 0.28);
}

/* Basic Step Cards */
.basic-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 13px;
    padding: 13px;
    box-shadow: 0 1px 4px rgba(15, 23, 42, 0.03);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.basic-card.highlight-card {
    border-color: rgba(2, 132, 199, 0.35);
    background: linear-gradient(180deg, #f0f9ff 0%, #ffffff 50%);
}

.basic-card-header {
    display: flex;
    align-items: center;
    gap: 9px;
}

.basic-step-badge {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #0f172a;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.basic-card-titles {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.basic-card-heading {
    font-size: 12.5px;
    font-weight: 700;
    color: #0f172a;
    margin: 0;
}

.basic-card-sub {
    font-size: 10.5px;
    color: #64748b;
    margin: 0;
}

/* Room Presets in Basic Mode */
.basic-preset-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 7px;
}

.basic-preset-pill {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 9px 11px;
    border-radius: 9px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #334155;
    font-size: 11.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.basic-preset-pill:hover {
    border-color: #cbd5e1;
    background: #f1f5f9;
}

.basic-preset-pill.active {
    border-color: #0f172a;
    background: #f1f5f9;
    color: #0f172a;
    font-weight: 700;
    box-shadow: 0 0 0 1px #0f172a;
}

/* Sliders */
.basic-sliders-group {
    display: flex;
    flex-direction: column;
    gap: 9px;
    margin-top: 2px;
}

.basic-slider-row {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.basic-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: #64748b;
}

.basic-slider-labels strong {
    font-family: var(--font, 'Inter', -apple-system, BlinkMacSystemFont, sans-serif);
    color: #0f172a;
    font-size: 11.5px;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.basic-range {
    width: 100%;
    height: 5px;
    border-radius: 3px;
    accent-color: #0f172a;
    cursor: pointer;
}

/* Step 2: Rail Toggles */
.basic-toggle-row {
    display: flex;
    gap: 7px;
}

.basic-choice-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px;
    border-radius: 9px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #334155;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.basic-choice-btn:hover {
    border-color: #cbd5e1;
}

.basic-choice-btn.active {
    border-color: #0f172a;
    background: #f1f5f9;
    color: #0f172a;
    font-weight: 700;
    box-shadow: 0 0 0 1px #0f172a;
}

.basic-shape-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.basic-shape-pill {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 8px 4px;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: #475569;
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.basic-shape-pill:hover {
    border-color: #cbd5e1;
}

.basic-shape-pill.active {
    border-color: #0f172a;
    background: #f1f5f9;
    color: #0f172a;
    font-weight: 700;
    box-shadow: 0 0 0 1px #0f172a;
}

.bshape-preview {
    display: inline-block;
    border-color: currentColor;
}

.bshape-preview.line-h {
    width: 20px;
    height: 0;
    border-top: 2.5px solid currentColor;
    margin: 5px 0;
}

.bshape-preview.shape-l {
    width: 14px;
    height: 14px;
    border-left: 2.5px solid currentColor;
    border-bottom: 2.5px solid currentColor;
}

.bshape-preview.shape-u {
    width: 16px;
    height: 14px;
    border-left: 2.5px solid currentColor;
    border-bottom: 2.5px solid currentColor;
    border-right: 2.5px solid currentColor;
}

.bshape-preview.shape-box {
    width: 15px;
    height: 13px;
    border: 2px solid currentColor;
}

.basic-color-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 11px;
    color: #64748b;
    padding-top: 2px;
}

.basic-color-choices {
    display: flex;
    gap: 6px;
}

.basic-color-pill {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 8px;
    border-radius: 7px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    font-size: 10.5px;
    font-weight: 600;
    color: #334155;
    cursor: pointer;
    transition: all 0.15s ease;
}

.basic-color-pill.active {
    border-color: #0f172a;
    background: #f1f5f9;
    color: #0f172a;
    font-weight: 700;
}

/* Smart Auto Light Button */
.basic-smart-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 13px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: none;
    border-radius: 11px;
    color: #ffffff;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.22);
    transition: all 0.18s ease;
    text-align: left;
}

.basic-smart-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.28);
}

.basic-smart-btn:active {
    transform: translateY(0);
}

.smart-btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.22);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.smart-btn-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.smart-btn-title {
    font-size: 12.5px;
    font-weight: 700;
    color: #ffffff;
}

.smart-btn-sub {
    font-size: 10px;
    color: rgba(255, 255, 255, 0.88);
}

.basic-fixture-quick-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 7px;
}

.basic-quick-fixture-btn {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    border-radius: 9px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    font-size: 11px;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    transition: all 0.15s ease;
}

.basic-quick-fixture-btn:hover {
    border-color: #0f172a;
    background: #f8fafc;
    color: #0f172a;
}

.bqf-plus {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #e2e8f0;
    color: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 12px;
    flex-shrink: 0;
}

.bqf-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Step 4: Kelvin */
.basic-kelvin-row {
    display: flex;
    gap: 7px;
}

.basic-kelvin-pill {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 6px;
    border-radius: 9px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    cursor: pointer;
    transition: all 0.15s ease;
}

.basic-kelvin-pill:hover {
    border-color: #cbd5e1;
}

.basic-kelvin-pill.active {
    border-color: #0f172a;
    background: #f1f5f9;
    box-shadow: 0 0 0 1px #0f172a;
}

.basic-kelvin-pill .kelvin-text {
    display: flex;
    flex-direction: column;
    text-align: left;
    line-height: 1.15;
}

.basic-kelvin-pill .k-title {
    font-size: 11px;
    font-weight: 700;
    color: #0f172a;
}

.basic-kelvin-pill small {
    font-size: 9.5px;
    color: #64748b;
}

.basic-kelvin-pill.active .k-title,
.basic-kelvin-pill.active small {
    color: #0f172a;
}

/* Step 5: Action Buttons */
.basic-actions-card {
    gap: 8px;
    background: #f8fafc;
}

.basic-action-primary-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 14px;
    border-radius: 11px;
    background: #0f172a;
    color: #ffffff;
    font-weight: 700;
    font-size: 12.5px;
    border: none;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(15, 23, 42, 0.18);
    transition: all 0.18s ease;
}

.basic-action-primary-btn:hover {
    background: #1e293b;
    transform: translateY(-1px);
}

.basic-action-duo {
    display: flex;
    gap: 7px;
}

.basic-action-sec-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px;
    border-radius: 9px;
    border: 1px solid #cbd5e1;
    background: #ffffff;
    font-weight: 600;
    font-size: 11.5px;
    color: #334155;
    cursor: pointer;
    transition: all 0.15s ease;
}

.basic-action-sec-btn:hover {
    background: #f1f5f9;
}

.basic-action-sec-btn.quote-accent {
    background: #1e293b;
    color: #ffffff;
    border-color: #1e293b;
}

.basic-action-sec-btn.quote-accent:hover {
    background: #0f172a;
}

/* Mobile responsive refinements for Topbar and Bottom Dock */
@media (max-width: 768px) {
    .app-mode-toggle {
        padding: 1px;
        gap: 1px;
    }

    .mode-pill-btn {
        padding: 4px 7px;
        font-size: 10px;
    }

    .topbar-center {
        display: flex;
        gap: 8px;
        align-items: center;
    }

    .mobile-nav-bar {
        padding: 3px 4px;
    }

    .mobile-nav-btn {
        font-size: 9.5px;
        gap: 2px;
    }

    .mobile-nav-btn svg {
        width: 17px;
        height: 17px;
    }
}