/* ===============================================
   UNTITLED STUDIO - TV GIRL "MIDNIGHT VINYL" THEME
   =============================================== */

/* ========== CSS VARIABLES ========== */
:root {
    --midnight: #121212;
    --glass: rgba(30, 30, 30, 0.6);
    --glass-solid: #1e1e1e;
    --glass-border: rgba(255, 255, 255, 0.08);
    --hot-pink: #ed2788;
    --hot-pink-glow: rgba(237, 39, 136, 0.4);
    --moonstone: #3CA2C8;
    --moonstone-glow: rgba(60, 162, 200, 0.4);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;

    /* Adaptive Environment */
    --adaptive-bg: #121212;
    --adaptive-fg: #ffffff;
}

/* ========== BASE STYLES ========== */
* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    -webkit-tap-highlight-color: transparent;
}



body {
    transition: background-color 0.8s ease;
    padding-bottom: env(safe-area-inset-bottom, 20px);
}

/* Ambient Glow for Glass Panels */
#studio-dock::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--adaptive-bg);
    opacity: 0.15;
    z-index: -1;
    pointer-events: none;
    transition: background 0.8s ease;
}

/* Main Stage Adaptive Tint */
#main-stage {
    background-color: var(--midnight);
    background-image: radial-gradient(circle at center, var(--adaptive-bg), transparent 80%);
}

:root {
    --text-xs: clamp(0.7rem, 1.5vw, 0.8rem);
    --text-sm: clamp(0.8rem, 2vw, 0.9rem);
    --text-base: clamp(0.9rem, 2.5vw, 1rem);
    --slider-height: clamp(24px, 5vh, 40px);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.15);
}

.scrollbar-hide::-webkit-scrollbar {
    display: none;
}

.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* ========== GLASSMORPHISM ========== */
.bg-glass {
    background: var(--glass);
}

.bg-glass-panel {
    background: rgba(18, 18, 18, 0.85);
    /* Darker, more solid for panel */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.backdrop-blur-glass {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.border-glass-border {
    border-color: var(--glass-border);
}

/* ========== TAB NAVIGATION ========== */
.tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: var(--hot-pink);
    background: rgba(237, 39, 136, 0.1);
}

.tab-btn.active svg {
    filter: drop-shadow(0 0 8px var(--hot-pink-glow));
}

/* ========== PANEL VISIBILITY ========== */
.panel {
    display: none;
}

.panel.active {
    display: block;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.panel.hidden {
    display: none;
}

/* ========== SLIDER STYLES ========== */
.slider-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slider-header label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.slider-value {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--moonstone);
    min-width: 3rem;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Studio Slider Base */
.studio-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    cursor: pointer;
    position: relative;
    margin: 10px 0;
}

.studio-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--hot-pink);
    border: 2px solid white;
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 0 15px var(--hot-pink-glow);
    transition: transform 0.15s ease;
    margin-top: -10px;
    /* Center on track */
}

.studio-slider::-webkit-slider-thumb:active {
    transform: scale(1.2);
}

.studio-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: transparent;
}

/* Temperature Slider - Blue to Orange gradient */
.studio-slider.temp {
    background: linear-gradient(to right, #4facfe, #fff7b0, #fe8c4f);
}

/* Tint Slider - Green to Magenta gradient */
.studio-slider.tint {
    background: linear-gradient(to right, #4ade80, #fff7b0, #f472b6);
}

/* ========== HSL MIXER ========== */
.hsl-channel {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.hsl-channel:hover {
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.15);
}

.hsl-channel.active {
    color: var(--moonstone);
    border-color: var(--moonstone);
    background: rgba(60, 162, 200, 0.1);
}

.hsl-slider-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hsl-color-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.hsl-slider {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 4px;
    background: var(--glass-solid);
    border-radius: 2px;
    cursor: pointer;
}

.hsl-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--text-primary);
    border-radius: 50%;
    cursor: grab;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* ========== PRESET CATEGORIES ========== */
.preset-category {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.preset-category:hover {
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.15);
}

.preset-category.active {
    color: var(--hot-pink);
    border-color: var(--hot-pink);
    background: rgba(237, 39, 136, 0.1);
}

/* Preset Card */
.preset-card {
    aspect-ratio: 1;
    border-radius: 0.75rem;
    background: var(--glass);
    border: 2px solid transparent;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.preset-card:hover {
    border-color: var(--glass-border);
    transform: scale(1.02);
}

.preset-card.active {
    border-color: var(--hot-pink);
    box-shadow: 0 0 12px var(--hot-pink-glow);
}

.preset-card-preview {
    width: 100%;
    height: 70%;
    background: linear-gradient(135deg, #333 0%, #222 100%);
}

.preset-card-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.35rem;
    font-size: 0.6rem;
    font-weight: 600;
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========== PRESET SUBCATEGORIES ========== */
.preset-subcategory {
    grid-column: 1 / -1;
    margin-bottom: 0.5rem;
}

.preset-subcategory-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, rgba(30, 30, 30, 0.8) 0%, rgba(20, 20, 20, 0.9) 100%);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--glass-border);
    margin-bottom: 0.5rem;
}

.preset-subcategory-header:hover {
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.8) 0%, rgba(30, 30, 30, 0.9) 100%);
    border-color: rgba(255, 255, 255, 0.12);
}

.preset-subcategory-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.preset-subcategory-count {
    font-size: 0.7rem;
    font-weight: 500;
    padding: 0.15rem 0.5rem;
    background: var(--hot-pink);
    color: white;
    border-radius: 9999px;
}

.preset-subcategory-arrow {
    transition: transform 0.2s ease;
    color: var(--text-secondary);
}

.preset-subcategory.collapsed .preset-subcategory-arrow {
    transform: rotate(-90deg);
}

.preset-subcategory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 0.5rem;
    padding: 0 0.25rem;
    max-height: 500px;
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease, padding 0.3s ease;
}

.preset-subcategory.collapsed .preset-subcategory-grid {
    max-height: 0;
    opacity: 0;
    padding-top: 0;
    padding-bottom: 0;
}

/* Subcategory color accents */
.preset-subcategory[data-subcategory="kodak"] .preset-subcategory-count {
    background: #f7d046;
    /* Kodak Yellow */
    color: #1a1a1a;
}

.preset-subcategory[data-subcategory="fuji"] .preset-subcategory-count {
    background: #00a651;
    /* Fuji Green */
}

.preset-subcategory[data-subcategory="ilford"] .preset-subcategory-count {
    background: #666666;
    /* Ilford Gray */
}

.preset-subcategory[data-subcategory="cinematic"] .preset-subcategory-count {
    background: var(--moonstone);
}

.preset-subcategory[data-subcategory="vintage"] .preset-subcategory-count {
    background: #c4a77d;
    /* Warm sepia */
}

.preset-subcategory[data-subcategory="modern"] .preset-subcategory-count {
    background: var(--hot-pink);
}

.preset-subcategory[data-subcategory="experimental"] .preset-subcategory-count {
    background: #9b59b6;
    /* Electric Purple */
}

.preset-subcategory[data-subcategory="moody"] .preset-subcategory-count {
    background: #34495e;
    /* Dark Slate */
}

.preset-subcategory[data-subcategory="dreamy"] .preset-subcategory-count {
    background: #f8b4d9;
    /* Soft Pink */
    color: #1a1a1a;
}

/* ========== THUMBNAIL QUEUE ========== */
.thumbnail {
    width: 56px;
    height: 56px;
    border-radius: 0.75rem;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.thumbnail:hover {
    border-color: var(--glass-border);
}

.thumbnail.active {
    border-color: var(--hot-pink);
    box-shadow: 0 0 12px var(--hot-pink-glow);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-remove {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.thumbnail:hover .thumbnail-remove {
    opacity: 1;
}

.thumbnail-remove:hover {
    background: #ef4444;
}

/* ========== EXPORT PROGRESS RING ========== */
.progress-ring {
    position: relative;
    width: 128px;
    height: 128px;
}

.progress-ring svg {
    width: 100%;
    height: 100%;
}

.progress-ring-bg {
    stroke: var(--glass-solid);
}

.progress-ring-fill {
    stroke: var(--hot-pink);
    stroke-linecap: round;
    transition: stroke-dashoffset 0.3s ease;
    filter: drop-shadow(0 0 8px var(--hot-pink-glow));
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--hot-pink);
}

/* ========== BUTTON STYLES ========== */
.export-button {
    position: relative;
    overflow: hidden;
}

.export-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.export-button:hover::before {
    left: 100%;
}

/* ========== CANVAS STYLES ========== */
#gl-canvas {
    background: var(--glass-solid);
    image-rendering: crisp-edges;
    image-rendering: -webkit-optimize-contrast;
    position: relative;
    z-index: 10;
}

#empty-state {
    pointer-events: none;
}

#empty-state button {
    pointer-events: auto;
}

.has-image #empty-state {
    display: none;
}

/* ========== RESPONSIVE ADJUSTMENTS ========== */
@media (max-width: 640px) {
    #batch-bar {
        height: 4.5rem;
    }

    #thumbnail-queue {
        gap: 0.5rem;
    }

    .thumbnail {
        width: 44px;
        height: 44px;
    }

    #import-btn {
        width: 44px;
        height: 44px;
    }

    #studio-dock .tab-content {
        max-height: 40vh;
    }

    main {
        padding-bottom: 16rem;
    }

    .tab-btn span {
        display: none;
    }

    .tab-btn {
        padding: 0.75rem;
    }

    /* Mobile Preset Fixes */
    #presets-panel.active {
        display: flex;
        flex-direction: column;
        height: 100%;
        min-height: 250px;
        /* Force minimum height */
    }

    #presets-grid {
        flex: 1;
        /* Grow to fill space */
        min-height: 200px;
        /* Ensure visible even if parent issues */
        max-height: 60vh;
        overflow-y: auto;
        padding-bottom: 4rem;
        /* Extra space for bottom bar interaction */
    }

    #studio-dock .tab-content {
        max-height: 60vh;
        /* Increase allowed height on mobile */
        height: auto;
        flex: 1;
    }
}

/* ========== ANIMATIONS ========== */
@keyframes pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 10px var(--hot-pink-glow);
    }

    50% {
        box-shadow: 0 0 20px var(--hot-pink-glow), 0 0 30px var(--hot-pink-glow);
    }
}

.pulse-glow {
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slide-up 0.3s ease-out;
}

/* ========== FOCUS STATES ========== */
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--moonstone);
    outline-offset: 2px;
}

/* ========== UTILITY CLASSES ========== */
.text-hot-pink {
    color: var(--hot-pink);
}

.text-moonstone {
    color: var(--moonstone);
}

.bg-hot-pink {
    background: var(--hot-pink);
}

.bg-moonstone {
    background: var(--moonstone);
}

/* ========== PHASE 2: CURVE CHANNEL BUTTONS ========== */
.curve-channel {
    padding: 0.35rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.curve-channel:hover {
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.15);
}

.curve-channel.active {
    color: var(--text-primary);
    border-color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.curve-channel[data-channel="r"].active {
    color: var(--hot-pink);
    border-color: var(--hot-pink);
    background: rgba(237, 39, 136, 0.1);
}

.curve-channel[data-channel="g"].active {
    color: #4ade80;
    border-color: #4ade80;
    background: rgba(74, 222, 128, 0.1);
}

.curve-channel[data-channel="b"].active {
    color: var(--moonstone);
    border-color: var(--moonstone);
    background: rgba(60, 162, 200, 0.1);
}

/* ========== PHASE 2: ASPECT RATIO BUTTONS ========== */
.aspect-btn {
    padding: 0.35rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 0.375rem;
    transition: all 0.2s ease;
}

.aspect-btn:hover {
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.15);
}

.aspect-btn.active {
    color: var(--moonstone);
    border-color: var(--moonstone);
    background: rgba(60, 162, 200, 0.1);
}

/* ========== PHASE 2: HISTORY PANEL ========== */
.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.25rem;
    background: transparent;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: background 0.15s ease;
}

.history-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.history-item.active {
    background: rgba(237, 39, 136, 0.15);
}

.history-item.active .history-label {
    color: var(--hot-pink);
}

.history-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.history-time {
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* ========== PHASE 2: CROP OVERLAY ========== */
.crop-overlay {
    pointer-events: none;
}

/* ========== 3D PRESET WHEEL ========== */
.perspective-1000 {
    perspective: 1000px;
}

.wheel-scroll-area {
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.wheel-card {
    flex-shrink: 0;
    width: 120px;
    /* Base width */
    height: 160px;
    /* Base height */
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    scroll-snap-align: center;
    position: relative;
    transition: all 0.3s ease-out;
    transform-style: preserve-3d;
    cursor: pointer;
    overflow: hidden;

    /* Default state (unfocused) */
    transform: scale(0.85) rotateY(15deg);
    opacity: 0.6;
    filter: blur(1px);
}

/* Left side items rotate +Y, Right side items rotate -Y via JS or specific classes if needed. 
   For now, we rely on IntersectionObserver to toggle 'active' class for center item. */

.wheel-card.active {
    transform: scale(1.1) rotateY(0deg) translateZ(20px);
    opacity: 1;
    filter: blur(0);
    border-color: var(--hot-pink);
    box-shadow: 0 0 20px var(--hot-pink-glow);
    z-index: 10;
}

.wheel-card-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Preset Color Swatch Grid */
.preset-swatch-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 2px;
    padding: 4px;
    background: #111;
}

.preset-swatch-grid>div {
    border-radius: 2px;
    transition: filter 0.2s ease;
}

.wheel-card-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 8px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: white;
    font-size: 0.75rem;
    font-weight: bold;
    text-align: center;
    text-shadow: 0 2px 4px black;
}

.snap-mandatory {
    scroll-snap-type: x mandatory;
}

.fade-pulse {
    animation: fadePulse 2s infinite;
}

@keyframes fadePulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.7;
    }
}



.crop-handle {
    z-index: 10;
}

.crop-grid div {
    pointer-events: none;
}

/* ========== PHASE 2: TONE CURVE SVG ========== */
#tone-curve-svg {
    touch-action: none;
}

.curve-point {
    transition: r 0.1s ease;
}

.curve-point:hover {
    r: 8;
}

/* ========== PHASE 2: HISTOGRAM ========== */
#histogram-container {
    pointer-events: none;
}

#histogram-canvas {
    display: block;
    border-radius: 0.5rem;
}

/* ========== LQIP EXPORT OVERLAY ========== */
#lqip-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    background: rgba(0, 0, 0, 0.6);
}

#lqip-overlay.hidden {
    display: none;
}


#lqip-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: blur(8px);
    opacity: 0.4;
}

/* Export progress ring on LQIP */
.lqip-progress-ring {
    position: relative;
    z-index: 10;
}

/* ========== BRAND CREDIT FOOTER ========== */
.brand-credit {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--glass-border);
}

.brand-credit-text {
    font-size: 10px;
    font-family: 'Outfit', sans-serif;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #444444;
    transition: color 0.3s ease;
}

.brand-credit-author {
    color: #444444;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

.brand-credit:hover .brand-credit-author {
    color: var(--hot-pink);
    text-shadow: 0 0 8px var(--hot-pink-glow), 0 0 16px var(--hot-pink-glow);
}

/* ========== UTILITY: HIDDEN STATE ========== */
.hidden {
    display: none !important;
}

/* ========== SOCIAL EXPORT MENU ========== */
#social-export-menu {
    background: rgba(25, 25, 25, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.social-export-option {
    transition: all 0.15s ease;
}

.social-export-option:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ========== DYNAMIC THUMBNAIL DECK ========== */
#thumbnail-queue {
    perspective: 1000px;
    padding: 10px 20px; /* Add padding for hover space */
    overflow-y: visible; /* Allow pop-up */
    overflow-x: auto;
    gap: 0.5rem; /* Restore gap if needed, or rely on margins */
    align-items: center;
}

/* The Cards (Thumbnails & Import Btn) */
.thumbnail, #import-btn {
    position: relative;
    width: 3.5rem;
    height: 3.5rem;
    flex-shrink: 0;
    border-radius: 0.75rem;
    background: var(--glass);
    border: 2px solid var(--glass-border);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), 
                box-shadow 0.3s ease, 
                border-color 0.2s ease;
    transform-origin: center center;
    cursor: pointer;
    transform-style: preserve-3d;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

/* ========== HOLOGRAPHIC CRT PRISM ========== */
.perspective-1000 {
    perspective: 1000px;
}

.transform-style-3d {
    transform-style: preserve-3d;
}

.translate-z-20 {
    transform: translateZ(20px);
}

/* CRT Patterns */
.bg-scanlines {
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0),
        rgba(255, 255, 255, 0) 50%,
        rgba(0, 0, 0, 0.2) 50%,
        rgba(0, 0, 0, 0.2)
    );
    background-size: 100% 4px;
}

.bg-noise {
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    background-size: 100px 100px;
}

/* Animations */
@keyframes noiseShift {
    0% { background-position: 0 0; }
    20% { background-position: -20px 20px; }
    40% { background-position: 10px -10px; }
    60% { background-position: -10px 10px; }
    80% { background-position: 20px -20px; }
    100% { background-position: 0 0; }
}

.animate-noise {
    animation: noiseShift 0.2s steps(4) infinite;
}

.animate-pulse-slow {
    animation: pulseSlow 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseSlow {
    0%, 100% { opacity: 0; transform: scale(0.95); }
    50% { opacity: 0.5; transform: scale(1.05); }
}

/* Thumbnail Specifics */
.thumbnail {
    overflow: hidden;
    animation: dealCard 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

/* Hover Effects: Lift & Pop */
.thumbnail:hover, #import-btn:hover {
    transform: translateY(-8px) scale(1.15) rotateX(10deg);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.5);
    z-index: 50;
    border-color: rgba(255, 255, 255, 0.3);
}

/* Active State */
.thumbnail.active {
    border-color: var(--hot-pink);
    box-shadow: 0 0 15px var(--hot-pink-glow);
    transform: translateY(-4px) scale(1.05);
    z-index: 10;
}

/* Remove Button */
.thumbnail-remove {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
    background: var(--hot-pink);
    color: white;
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s ease;
    z-index: 20;
    line-height: 1;
}

.thumbnail:hover .thumbnail-remove {
    opacity: 1;
    transform: scale(1);
}

.thumbnail-remove:hover {
    background: #ff4d9e;
    transform: scale(1.2);
}

/* Entry Animation */
@keyframes dealCard {
    0% {
        opacity: 0;
        transform: translateY(-40px) translateX(-20px) rotate(-15deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) translateX(0) rotate(0);
    }
}

/* ========== GESTURE SUPPORT ========== */
#gl-canvas {
    transform-origin: center center;
    transition: transform 0.1s ease-out;
}

/* Touch feedback for sliders */
.studio-slider:active {
    transform: scaleY(1.2);
}

/* ========== PRESET STRENGTH ========== */

/* ========== SMART PLACEHOLDER ========== */
.has-image #placeholder-container {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.95);
    visibility: hidden;
    z-index: -1;
    transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s step-end, z-index 0.5s step-end;
}

.shimmer-animate {
    animation: shimmer 3s infinite linear;
}

@keyframes shimmer {
    0% {
        transform: translateX(-150%) skewX(12deg);
    }

    100% {
        transform: translateX(150%) skewX(12deg);
    }
}

.placeholder-card {
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05),
        0 20px 50px -10px rgba(0, 0, 0, 0.5);
}

#preset-strength-container {
    animation: fadeIn 0.3s ease;
}

/* ========== ASCII TOAST MESSAGE ========== */
.ascii-toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    font-family: 'Courier New', Courier, monospace;
    font-size: 14px;
    line-height: 1.2;
    color: #4af626;
    /* Hacker Green */
    background: rgba(0, 0, 0, 0.85);
    padding: 15px;
    border: 1px solid #4af626;
    border-radius: 4px;
    box-shadow: 0 4px 15px rgba(0, 255, 0, 0.2);
    pointer-events: none;
    opacity: 1;
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.ascii-toast pre {
    margin: 0;
    white-space: pre;
    text-shadow: 0 0 5px rgba(74, 246, 38, 0.5);
}

.ascii-toast.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

@media (max-width: 768px) {
    .ascii-toast {
        bottom: 100px;
        /* Above bottom nav */
        right: 50%;
        transform: translateX(50%);
    }

    .ascii-toast.hidden {
        transform: translateX(50%) translateY(20px);
    }
}

/* ========== LONG PRESS UI HIDE ========== */
.ui-hidden #studio-header,
.ui-hidden #studio-dock,
.ui-hidden #thumbnail-queue,
.ui-hidden .leaflet-control-container,
.ui-hidden #ascii-toast {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.ui-hidden #main-stage {
    cursor: none;
}