/* ═══════════════════════════════════════════════
   3D ROOM VIEWPORT & CANVAS SPECIFIC STYLES - WHITE STUDIO
   ═══════════════════════════════════════════════ */

#canvas3d {
    display: block;
    width: 100%;
    height: 100%;
    outline: none;
}

#canvas2d {
    display: block;
    width: 100%;
    height: 100%;
    outline: none;
    background: #f8fafc;
}

/* 3D loading overlay */
.loading-3d {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: rgba(248, 250, 252, 0.94);
    z-index: 25;
    transition: opacity 0.4s ease;
}

.loading-3d.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid #e2e8f0;
    border-top-color: #0f172a;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    font-size: 11px;
    color: #64748b;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* Drag indicator on 2D canvas */
.drag-indicator {
    position: absolute;
    pointer-events: none;
    z-index: 15;
    padding: 3px 8px;
    background: #0f172a;
    color: #ffffff;
    border-radius: var(--r-sm);
    font-size: 10px;
    font-weight: 700;
    white-space: nowrap;
    transform: translate(-50%, -100%);
    margin-top: -8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* Product tooltip on hover */
.product-tooltip {
    position: absolute;
    pointer-events: none;
    z-index: 20;
    padding: 8px 12px;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: var(--r-sm);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    max-width: 220px;
}

.product-tooltip .tt-name {
    font-size: 11px;
    font-weight: 700;
    color: #0f172a;
}

.product-tooltip .tt-specs {
    font-size: 10px;
    color: #64748b;
    margin-top: 3px;
    font-family: var(--font-mono);
}

/* Dimension labels on canvas */
.dim-label-overlay {
    position: absolute;
    pointer-events: none;
    z-index: 6;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    color: #0f172a;
    background: #ffffff;
    border: 1px solid #cbd5e1;
    padding: 2px 6px;
    border-radius: 4px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* ═══════════ VIEWPORT GIZMO (VIEWCUBE) ═══════════ */
.viewport-gizmo {
    position: absolute;
    top: 12px;
    left: 12px;
    width: 74px;
    height: 74px;
    z-index: 15;
    pointer-events: auto;
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
}

.viewport-gizmo:hover {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
}

.gizmo-canvas {
    width: 74px;
    height: 74px;
    display: block;
    cursor: grab;
    user-select: none;
    touch-action: none;
}

.gizmo-canvas.is-dragging {
    cursor: grabbing !important;
}

/* ═══════════ DARK THEME OVERLAYS & CANVAS ═══════════ */
[data-theme="dark"] #canvas2d,
[data-theme="dark"] #canvas3d {
    background: #121212 !important;
}

[data-theme="dark"] .loading-3d {
    background: rgba(18, 18, 18, 0.94) !important;
    color: #f4f4f5 !important;
}

[data-theme="dark"] .loading-spinner {
    border-color: #333333 !important;
    border-top-color: #ffffff !important;
}

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

[data-theme="dark"] .product-tooltip {
    background: #1e1e1e !important;
    border: 1px solid #333333 !important;
    color: #f4f4f5 !important;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5) !important;
}

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

[data-theme="dark"] .product-tooltip .tt-specs {
    color: #a1a1aa !important;
}

[data-theme="dark"] .dim-label-overlay {
    color: #f4f4f5 !important;
    background: #242424 !important;
    border: 1px solid #3e3e3e !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4) !important;
}