/* ==========================================================================
   ATELIER LUXE - Multi-Category 3D WebGL Studio Stylesheet
   ========================================================================== */

.three-simulator-section {
    padding: 4rem 0 6rem 0;
    position: relative;
    background: radial-gradient(circle at 50% 25%, rgba(197, 168, 128, 0.06) 0%, rgba(10, 10, 13, 0.98) 75%);
    border-bottom: 1px solid var(--border-subtle);
}

/* Category Switcher Tabs */
.product-switcher-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.product-category-tab {
    background: rgba(18, 18, 24, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    padding: 0.65rem 1.4rem;
    border-radius: var(--radius-full);
    font-size: 0.82rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    transition: all 0.35s var(--ease-fluid);
}

.product-category-tab span.tab-num {
    font-size: 0.7rem;
    color: var(--gold);
    font-weight: 800;
    letter-spacing: 1px;
}

.product-category-tab:hover {
    color: var(--text-primary);
    border-color: var(--border-gold);
    transform: translateY(-2px);
}

.product-category-tab.active {
    background: linear-gradient(135deg, rgba(197, 168, 128, 0.22) 0%, rgba(18, 18, 24, 0.95) 100%);
    border-color: var(--gold);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(197, 168, 128, 0.25);
}

/* Simulator Grid Layout */
.simulator-wrapper {
    display: grid;
    grid-template-columns: 1.45fr 1fr;
    gap: 2rem;
    align-items: stretch;
}

/* 3D Canvas Viewport Container */
.three-canvas-container {
    position: relative;
    width: 100%;
    height: 640px;
    background: #090a0d;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-gold);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.85), inset 0 0 50px rgba(0, 0, 0, 0.95);
    overflow: hidden;
    cursor: grab;
}

.three-canvas-container:active {
    cursor: grabbing;
}

.three-canvas-container canvas {
    width: 100% !important;
    height: 100% !important;
    display: block;
    outline: none;
}

/* 3D Top HUD Badges */
.three-hud-top {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    right: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 10;
}

.hud-pill {
    background: rgba(15, 15, 20, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid var(--border-subtle);
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.hint-pill {
    color: var(--text-secondary);
    border-color: rgba(197, 168, 128, 0.25);
}

.hint-pill i {
    color: var(--gold);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.idle {
    background: var(--gold);
    box-shadow: 0 0 10px var(--gold);
}

.status-dot.flowing {
    background: #3b82f6;
    box-shadow: 0 0 12px #3b82f6;
    animation: flowPulse 1s infinite alternate;
}

@keyframes flowPulse {
    from { transform: scale(0.9); opacity: 0.7; }
    to { transform: scale(1.3); opacity: 1; }
}

/* 3D Quick Lighting & Exploded Toolbar */
.three-quick-toolbar {
    position: absolute;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.4rem;
    background: rgba(15, 15, 20, 0.9);
    backdrop-filter: blur(18px);
    padding: 0.35rem 0.6rem;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-subtle);
    z-index: 10;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
}

.tool-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    transition: all 0.3s ease;
}

.tool-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-gold);
}

.tool-btn.active {
    background: var(--gold);
    color: var(--bg-main);
    font-weight: 700;
    box-shadow: 0 0 14px var(--gold-glow);
}

/* Right Control Panel */
.simulator-controls-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: space-between;
}

.sim-control-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.4rem;
}

.sim-control-card h4 {
    font-size: 0.82rem;
    letter-spacing: 0.8px;
    color: var(--gold-light);
    margin-bottom: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.primary-action-card {
    border-color: var(--border-gold);
    background: linear-gradient(135deg, rgba(22, 22, 28, 0.95) 0%, rgba(15, 15, 20, 0.95) 100%);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.control-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.control-header-row h4 {
    margin-bottom: 0;
}

.badge-live {
    font-size: 0.65rem;
    letter-spacing: 1px;
    background: rgba(37, 211, 102, 0.15);
    color: #25d366;
    border: 1px solid rgba(37, 211, 102, 0.4);
    padding: 0.18rem 0.5rem;
    border-radius: var(--radius-full);
    font-weight: 800;
}

/* Water Toggle Button */
.btn-water-toggle {
    width: 100%;
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    border: none;
    padding: 0.85rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    transition: all 0.3s var(--ease-fluid);
}

.btn-water-toggle:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.55);
}

.btn-water-toggle.active {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* Faucet Finishes Grid */
.faucet-finishes-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0.5rem;
}

.faucet-finish-btn {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.faucet-finish-btn:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
}

.faucet-finish-btn.active {
    border-color: var(--gold);
    background: rgba(197, 168, 128, 0.15);
    box-shadow: 0 0 12px rgba(197, 168, 128, 0.25);
}

.finish-circle {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.finish-gold { background: linear-gradient(135deg, #dfc8a7 0%, #c5a880 50%, #7d6542 100%); }
.finish-black { background: #161619; border-color: #444; }
.finish-chrome { background: linear-gradient(135deg, #ffffff 0%, #ccd1d9 50%, #888 100%); }
.finish-rose { background: linear-gradient(135deg, #f5c4b1 0%, #d99b82 50%, #945842 100%); }
.finish-titanium { background: linear-gradient(135deg, #6c6f7d 0%, #484a54 50%, #2b2c32 100%); }

.finish-name {
    font-size: 0.68rem;
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
}

/* Basin Marble Grid */
.basin-marble-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.basin-marble-btn {
    background: var(--bg-surface-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.35rem;
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.basin-marble-btn:hover {
    border-color: var(--gold);
}

.basin-marble-btn.active {
    border-color: var(--gold);
    background: rgba(197, 168, 128, 0.15);
}

.marble-preview {
    width: 100%;
    height: 28px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.marble-calacatta { background: radial-gradient(circle, #ffffff 0%, #e2ded8 60%, #b8b0a2 100%); }
.marble-marquina { background: radial-gradient(circle, #202024 0%, #101012 70%, #050506 100%); }
.marble-emerald { background: radial-gradient(circle, #0d2818 0%, #1f4e38 100%); }

/* Responsive */
@media (max-width: 1024px) {
    .simulator-wrapper {
        grid-template-columns: 1fr;
    }
    .three-canvas-container {
        height: 500px;
    }
    .faucet-finishes-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}