/* === 1. Variables & Reset === */
:root {
    --bg-dark: #050509;
    --bg-panel: rgba(18, 18, 24, 0.65);
    --bg-glass: rgba(18, 18, 24, 0.85);
    --border-glow: rgba(0, 240, 255, 0.15);
    --border-active: #00F0FF;
    --text-main: #f0f0f0;
    --text-muted: #888888;
    --accent: #00F0FF;
    --accent-glow: rgba(0, 240, 255, 0.4);
    --danger: #FF2A55;
    --danger-glow: rgba(255, 42, 85, 0.4);
    --warning: #ffcc00;
    --success: #00ffaa;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Outfit', sans-serif;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 255, 170, 0.03), transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(255, 51, 102, 0.03), transparent 30%);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

/* === 2. Header & Navigation === */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo-section i { color: var(--accent); text-shadow: 0 0 10px var(--accent-glow); }

.logo-badge {
    background: rgba(0, 255, 170, 0.1);
    border: 1px solid rgba(0, 255, 170, 0.2);
    font-size: 0.65rem;
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    font-weight: 600;
}

.nav-actions { display: flex; align-items: center; gap: 20px; }

.user-pill {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glow);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s;
}
.user-pill:hover { border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.03); }
.user-pill i { color: var(--accent); }

.btn-logout { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.3s; }
.btn-logout:hover { color: var(--danger); }

.admin-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 51, 102, 0.1);
    color: var(--danger);
    border: 1px solid rgba(255, 51, 102, 0.2);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    text-transform: uppercase;
}
.admin-link:hover { background: var(--danger); color: #fff; transform: translateY(-1px); }

/* === 3. Workspace & Panel Layout === */
main {
    flex: 1;
    max-width: 1300px;
    width: 100%;
    margin: 40px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.dashboard-grid { display: grid; grid-template-columns: 1fr; gap: 30px; }
@media (min-width: 900px) { .dashboard-grid { grid-template-columns: 1fr 1fr; } }

.glass-panel {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glow);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
    transition: border-color 0.4s;
}

.panel-title-sec {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    padding-bottom: 15px;
    margin-bottom: 10px;
}
.panel-title-sec i { color: var(--accent); }

/* === 4. Upload Drop Zone & Preview === */
.drop-zone {
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 50px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    background: rgba(255,255,255,0.01);
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(0, 255, 170, 0.02);
    box-shadow: inset 0 0 20px rgba(0, 255, 170, 0.05);
}
.drop-zone i { font-size: 3.5rem; color: var(--text-muted); transition: transform 0.3s, color 0.3s; }
.drop-zone:hover i { transform: translateY(-5px); color: var(--accent); }
.drop-zone h3 { font-size: 1.1rem; font-weight: 600; }
.drop-zone p { color: var(--text-muted); font-size: 0.85rem; }

/* File type badges in drop zone */
.file-types { display: flex; gap: 8px; margin-top: 5px; }
.file-type-badge {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preview-container {
    display: none;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    aspect-ratio: 16/10;
}
.preview-img, .preview-video { width: 100%; height: 100%; object-fit: cover; }

.preview-actions {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    display: flex;
    gap: 15px;
    z-index: 10;
}

.btn {
    flex: 1;
    padding: 12px 20px;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.btn-primary {
    background: var(--accent);
    color: #000;
    border: none;
    box-shadow: 0 4px 15px rgba(0, 255, 170, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 255, 170, 0.4); }
.btn-secondary { background: rgba(255, 255, 255, 0.05); color: var(--text-main); border: 1px solid rgba(255, 255, 255, 0.1); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); }

/* === 5. Scanning Overlay === */
.scan-overlay {
    display: none;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(3, 3, 3, 0.95);
    z-index: 50;
    padding: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
}
/* Scan progress with real timer */
.scan-timer {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 10px;
}
.scan-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: -15px;
}
.scan-visualizer {
    width: 140px; height: 140px;
    position: relative; border-radius: 50%;
    border: 2px solid rgba(0, 255, 170, 0.1);
    display: flex; align-items: center; justify-content: center;
}
.scan-visualizer::after {
    content: '';
    position: absolute; width: 100%; height: 100%;
    border: 2px solid transparent;
    border-top-color: var(--accent); border-bottom-color: var(--accent);
    border-radius: 50%;
    animation: spin 1.5s linear infinite;
}
.scan-visualizer i { font-size: 3rem; color: var(--accent); animation: pulse-glow 2s infinite; }

/* === 6. Results & Verdict === */
.results-container {
    display: flex;
    flex-direction: column;
    gap: 25px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease-out;
}
.results-container.visible { opacity: 1; transform: translateY(0); }

/* Staggered card entrance animations */
.results-container.visible > .report-section:nth-child(1) { animation: slideUp 0.4s ease-out 0.05s both; }
.results-container.visible > .report-section:nth-child(2) { animation: slideUp 0.4s ease-out 0.15s both; }
.results-container.visible > .report-section:nth-child(3) { animation: slideUp 0.4s ease-out 0.25s both; }
.results-container.visible > .report-section:nth-child(4) { animation: slideUp 0.4s ease-out 0.35s both; }
.results-container.visible > .report-section:nth-child(5) { animation: slideUp 0.4s ease-out 0.45s both; }
.results-container.visible > .report-section:nth-child(6) { animation: slideUp 0.4s ease-out 0.55s both; }

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.verdict-banner {
    border-radius: 12px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}
.verdict-banner::before {
    content: ''; position: absolute;
    top: 0; left: 0; width: 4px; height: 100%;
}
.verdict-banner.fake { background: rgba(255, 51, 102, 0.05); border-color: rgba(255, 51, 102, 0.15); color: var(--danger); }
.verdict-banner.fake::before { background: var(--danger); }
.verdict-banner.real { background: rgba(0, 255, 170, 0.05); border-color: rgba(0, 255, 170, 0.15); color: var(--accent); }
.verdict-banner.real::before { background: var(--accent); }

.verdict-info h4 { font-family: 'Space Grotesk', sans-serif; font-size: 1.4rem; font-weight: 700; margin-bottom: 4px; }
.verdict-info p { color: var(--text-muted); font-size: 0.85rem; }

.verdict-percentage { font-family: 'Space Grotesk', sans-serif; font-size: 2.2rem; font-weight: 800; display: flex; align-items: baseline; gap: 2px; }
.verdict-percentage span { font-size: 1rem; font-weight: 500; }

/* Verdict action buttons row */
.verdict-actions {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}
.btn-export {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-main);
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}
.btn-export:hover { background: rgba(255,255,255,0.1); border-color: var(--accent); color: var(--accent); }
.btn-export i { font-size: 0.85rem; }

/* === 7. Image Comparison & Scanline === */
.images-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.img-box { border-radius: 8px; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); aspect-ratio: 1; position: relative; }
.img-box img, .img-box video { width: 100%; height: 100%; object-fit: cover; }
.img-box-label {
    position: absolute; bottom: 10px; left: 10px;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(5px);
    font-size: 0.65rem; font-weight: 600;
    letter-spacing: 0.5px; padding: 3px 8px;
    border-radius: 4px; text-transform: uppercase;
    border: 1px solid rgba(255,255,255,0.1);
}
.scan-line-active::after {
    content: ''; position: absolute; width: 100%; height: 100%; top: 0; left: 0;
    border-bottom: 3px solid var(--accent); box-shadow: 0 2px 8px var(--accent);
    transform: translateY(-100%); animation: scanline 2.5s ease-in-out infinite;
    will-change: transform; pointer-events: none;
}

/* === 8. Heatmap Overlay Slider (NEW) === */
.heatmap-slider-container {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: col-resize;
    border: 1px solid var(--border-glow);
}
.heatmap-slider-container img {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; object-fit: cover;
    pointer-events: none;
}
.heatmap-slider-container .heatmap-overlay {
    clip-path: inset(0 0 0 50%);
    transition: clip-path 0.05s linear;
}
.heatmap-slider-handle {
    position: absolute; top: 0; bottom: 0;
    left: 50%; width: 3px;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent-glow);
    z-index: 10;
    pointer-events: none;
}
.heatmap-slider-handle::before, .heatmap-slider-handle::after {
    content: ''; position: absolute;
    top: 50%; width: 12px; height: 12px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateY(-50%);
}
.heatmap-slider-handle::before { left: -6px; }
.heatmap-slider-handle::after { right: -6px; display: none; }
/* Opacity control slider */
.opacity-control {
    display: flex; align-items: center; gap: 10px;
    margin-top: 10px;
    font-size: 0.8rem; color: var(--text-muted);
}
.opacity-control input[type='range'] {
    flex: 1; height: 4px;
    -webkit-appearance: none; appearance: none;
    background: rgba(255,255,255,0.1); border-radius: 2px; outline: none;
}
.opacity-control input[type='range']::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 14px; height: 14px;
    background: var(--accent); border-radius: 50%;
    cursor: pointer; box-shadow: 0 0 6px var(--accent-glow);
}

/* === 9. Metrics Grid & Tooltips === */
.metrics-grid { display: grid; grid-template-columns: 1fr; gap: 15px; }
@media (min-width: 600px) { .metrics-grid { grid-template-columns: 1fr 1fr; } }

.metric-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px; padding: 15px;
    position: relative; display: flex;
    flex-direction: column; gap: 8px;
    cursor: pointer; transition: all 0.2s;
}
.metric-card:hover { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.08); }
.metric-meta { display: flex; justify-content: space-between; align-items: center; }
.metric-label { font-size: 0.8rem; font-weight: 600; color: var(--text-main); display: flex; align-items: center; gap: 6px; }
.metric-label i { color: var(--accent); font-size: 0.85rem; }
.metric-value { font-family: monospace; font-size: 0.8rem; color: var(--text-muted); }
.metric-progress-bar { width: 100%; height: 4px; background: rgba(255,255,255,0.05); border-radius: 2px; overflow: hidden; }
.metric-fill { height: 100%; border-radius: 2px; width: 100%; transform: scaleX(0); transform-origin: left; transition: transform 1s cubic-bezier(0.1, 0.8, 0.2, 1); will-change: transform; }

.tooltip {
    visibility: hidden; width: 220px;
    background-color: #121212; color: #ccc;
    text-align: left; border-radius: 6px;
    padding: 10px 12px; position: absolute;
    z-index: 100; bottom: 125%; left: 50%;
    margin-left: -110px; opacity: 0;
    transition: opacity 0.3s; font-size: 0.75rem;
    line-height: 1.4; border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    pointer-events: none;
}
.tooltip::after {
    content: ''; position: absolute; top: 100%; left: 50%;
    margin-left: -5px; border-width: 5px; border-style: solid;
    border-color: rgba(255,255,255,0.1) transparent transparent transparent;
}
.metric-card:hover .tooltip { visibility: visible; opacity: 1; }
.metric-card.active-tooltip .tooltip { visibility: visible; opacity: 1; }

/* === 10. Report Sections & Forensic Components === */
.risk-badge {
    font-size: 0.75rem; font-weight: 700;
    padding: 4px 10px; border-radius: 20px;
    text-transform: uppercase; letter-spacing: 1px;
    margin-left: 10px; display: inline-block;
}
.risk-high { background: rgba(255, 42, 85, 0.2); color: var(--danger); border: 1px solid var(--danger-glow); animation: pulse-risk 2s infinite; }
.risk-medium { background: rgba(255, 204, 0, 0.2); color: var(--warning); border: 1px solid rgba(255, 204, 0, 0.4); }
.risk-low { background: rgba(0, 255, 170, 0.2); color: var(--success); border: 1px solid rgba(0, 255, 170, 0.4); }

.report-section {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px; padding: 20px;
    display: flex; flex-direction: column; gap: 15px;
}
.report-section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem; font-weight: 600;
    color: var(--accent); display: flex;
    align-items: center; gap: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 10px;
}

/* Collapsible accordion for Tier 3 */
.accordion-section { overflow: hidden; }
.accordion-header {
    display: flex; justify-content: space-between; align-items: center;
    cursor: pointer; padding: 15px; 
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.05); border-radius: 8px;
    transition: all 0.2s;
}
.accordion-header:hover { background: rgba(255,255,255,0.04); }
.accordion-header .accordion-icon { transition: transform 0.3s ease; }
.accordion-section.open .accordion-header .accordion-icon { transform: rotate(180deg); }
.accordion-body {
    max-height: 0; overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.3s ease;
    padding: 0 15px;
    border: 1px solid transparent; border-top: none;
    border-radius: 0 0 8px 8px;
}
.accordion-section.open .accordion-body {
    max-height: 2000px; padding: 15px;
    border-color: rgba(255,255,255,0.05);
    background: rgba(0,0,0,0.2);
}

.evidence-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.evidence-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.85rem; color: var(--text-main); }
.evidence-list li i { margin-top: 3px; color: var(--accent); }

.breakdown-table { display: flex; flex-direction: column; gap: 12px; }
.breakdown-row { display: flex; flex-direction: column; gap: 5px; }
.breakdown-meta { display: flex; justify-content: space-between; font-size: 0.85rem; }
.breakdown-bar-bg { width: 100%; height: 6px; background: rgba(255,255,255,0.05); border-radius: 3px; overflow: hidden; }
.breakdown-bar-fill { height: 100%; border-radius: 3px; transition: width 1s cubic-bezier(0.1, 0.8, 0.2, 1); width: 0%; }

.tabs { display: flex; gap: 10px; border-bottom: 1px solid rgba(255,255,255,0.05); padding-bottom: 10px; flex-wrap: wrap; }
.tab-btn { background: none; border: none; color: var(--text-muted); font-family: inherit; font-size: 0.9rem; cursor: pointer; padding: 5px 10px; transition: all 0.3s; border-radius: 4px; }
.tab-btn:hover { color: var(--text-main); background: rgba(255,255,255,0.05); }
.tab-btn.active { color: var(--accent); background: rgba(0, 240, 255, 0.1); }
.tab-content { display: none; margin-top: 15px; }
.tab-content.active { display: block; }
.heatmap-img { width: 100%; border-radius: 8px; border: 1px solid var(--border-glow); }

.meta-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 15px; }
.meta-item { display: flex; flex-direction: column; gap: 5px; }
.meta-label { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.meta-val { font-size: 0.9rem; font-weight: 500; }

.pill-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.pill { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 4px 10px; border-radius: 12px; font-size: 0.75rem; color: var(--text-muted); }

.identity-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.identity-table th, .identity-table td { padding: 8px; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.05); }
.identity-table th { color: var(--text-muted); font-weight: 500; }
.identity-table tr.flagged td { color: var(--danger); }

/* === 11. Audio Waveform (NEW) === */
.audio-player-container {
    background: rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 8px;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.audio-canvas-wrapper {
    position: relative;
    width: 100%; height: 80px;
    border-radius: 4px;
    overflow: hidden;
}
.audio-canvas-wrapper canvas { width: 100%; height: 100%; }
.audio-controls {
    display: flex; align-items: center; gap: 12px;
    font-size: 0.85rem; color: var(--text-muted);
}
.audio-play-btn {
    background: var(--accent); border: none; color: #000;
    width: 32px; height: 32px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 0.9rem;
}

/* === 12. Video Timeline (NEW) === */
.video-timeline {
    width: 100%; height: 24px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    display: flex;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid rgba(255,255,255,0.05);
}
.timeline-segment {
    height: 100%;
    transition: opacity 0.2s;
    position: relative;
}
.timeline-segment:hover { opacity: 0.8; }
.timeline-segment.real-segment { background: var(--success); }
.timeline-segment.fake-segment { background: var(--danger); }
.timeline-segment.uncertain-segment { background: var(--warning); }
.timeline-info {
    display: flex; justify-content: space-between;
    font-size: 0.8rem; color: var(--text-muted);
    margin-top: 8px;
}

/* === 13. Skeleton Loading (NEW) === */
.skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.06) 50%, rgba(255,255,255,0.03) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: 8px;
}
.skeleton-verdict { height: 80px; border-radius: 12px; margin-bottom: 15px; }
.skeleton-image { aspect-ratio: 1; border-radius: 8px; }
.skeleton-bar { height: 6px; border-radius: 3px; margin: 8px 0; }
.skeleton-text { height: 14px; border-radius: 4px; margin: 4px 0; }
.skeleton-text.short { width: 60%; }

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* === 14. Modal & Form Elements === */
.modal {
    display: none; position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    z-index: 200;
    align-items: center; justify-content: center;
    padding: 20px;
}
.modal-content {
    background: var(--bg-panel);
    border: 1px solid rgba(255,255,255,0.05);
    max-width: 500px; width: 100%;
    border-radius: 16px; padding: 30px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
    display: flex; flex-direction: column; gap: 20px;
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    padding-bottom: 15px;
    font-family: 'Space Grotesk', sans-serif;
}
.btn-close { background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; transition: color 0.2s; }
.btn-close:hover { color: #fff; }

.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-main); }
.form-group input[type='text'] {
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 12px; border-radius: 8px;
    color: #fff; font-family: inherit;
    font-size: 0.9rem; outline: none;
    transition: border-color 0.3s;
}
.form-group input[type='text']:focus { border-color: var(--accent); }

.toggle-group { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; }
.toggle-switch { position: relative; display: inline-block; width: 44px; height: 24px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(255,255,255,0.1); transition: .3s; border-radius: 24px; }
.slider:before { position: absolute; content: ''; height: 16px; width: 16px; left: 4px; bottom: 4px; background-color: #fff; transition: .3s; border-radius: 50%; }
input:checked + .slider { background-color: var(--accent); }
input:checked + .slider:before { transform: translateX(20px); }

/* === 15. Toast Notification System === */
.toast-container {
    position: fixed; bottom: 30px; right: 30px;
    display: flex; flex-direction: column; gap: 12px;
    z-index: 9999; pointer-events: none;
}
.toast-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-glow);
    border-left: 4px solid var(--accent);
    padding: 16px 20px; border-radius: 8px;
    color: var(--text-main); font-size: 0.95rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    display: flex; align-items: center; gap: 14px;
    max-width: 350px; pointer-events: auto;
    transform: translateX(120%); opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.toast-card.show { transform: translateX(0); opacity: 1; }
.toast-card i { font-size: 1.2rem; color: var(--accent); }
.toast-card.error { border-left-color: var(--danger); }
.toast-card.error i { color: var(--danger); }
.toast-card.success { border-left-color: var(--success); }
.toast-card.success i { color: var(--success); }
.toast-card-content { flex-grow: 1; line-height: 1.4; }

/* === 16. Keyframe Animations === */
@keyframes spin { 100% { transform: rotate(360deg); } }
@keyframes scanline { 0% { transform: translateY(-100%); } 50% { transform: translateY(0); } 100% { transform: translateY(-100%); } }
@keyframes pulse-glow { 0% { opacity: 0.6; text-shadow: 0 0 10px rgba(0, 255, 170, 0.2); } 50% { opacity: 1; text-shadow: 0 0 20px rgba(0, 255, 170, 0.6); } 100% { opacity: 0.6; text-shadow: 0 0 10px rgba(0, 255, 170, 0.2); } }
@keyframes pulse-risk { 0% { box-shadow: 0 0 0 0 var(--danger-glow); } 70% { box-shadow: 0 0 0 10px rgba(255, 42, 85, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 42, 85, 0); } }

/* === 17. Responsive === */
@media (max-width: 768px) {
    header { padding: 12px 16px; backdrop-filter: none !important; background: rgba(3, 3, 3, 0.95); }
    .logo-section { font-size: 1.1rem; gap: 8px; }
    .logo-badge { font-size: 0.6rem; padding: 2px 6px; }
    .nav-actions { gap: 10px; }
    .user-pill { padding: 4px 10px; font-size: 0.8rem; gap: 6px; }
    .admin-link { padding: 6px 12px; font-size: 0.75rem; gap: 6px; }
    main { margin: 15px auto; padding: 0 12px; gap: 15px; }
    .dashboard-grid { gap: 15px; }
    .glass-panel { padding: 15px; backdrop-filter: none !important; background: rgba(10, 10, 10, 0.95); gap: 15px; }
    .drop-zone { padding: 30px 15px; gap: 10px; }
    .drop-zone i { font-size: 2.5rem; }
    .preview-container { aspect-ratio: 4/3; }
    .preview-actions { bottom: 12px; left: 12px; right: 12px; gap: 8px; }
    .btn { padding: 10px 15px; font-size: 0.85rem; }
    .scan-overlay { padding: 20px 10px; gap: 20px; backdrop-filter: none !important; background: rgba(3, 3, 3, 0.98); }
    .scan-visualizer { width: 100px; height: 100px; }
    .scan-visualizer i { font-size: 2.2rem; }
    .results-container { gap: 15px; }
    .verdict-banner { padding: 15px; }
    .verdict-info h4 { font-size: 1.15rem; }
    .verdict-percentage { font-size: 1.8rem; }
    .images-comparison { gap: 10px; }
    .metrics-grid { grid-template-columns: 1fr; gap: 10px; }
    .metric-card { padding: 12px; gap: 6px; -webkit-tap-highlight-color: transparent; }
    .tooltip { width: 200px; margin-left: -100px; font-size: 0.7rem; padding: 8px 10px; }
    .modal-content { padding: 20px; gap: 15px; }
    .verdict-actions { flex-wrap: wrap; }
}

@media (max-width: 480px) {
    .verdict-banner { flex-direction: column; align-items: flex-start; gap: 12px; }
    .verdict-percentage { align-self: flex-end; }
    .user-pill { padding: 6px; border-radius: 50%; }
    .user-pill #header-username { display: none; }
    .user-pill i { margin: 0; }
    .heatmap-slider-container { aspect-ratio: auto; min-height: 200px; }
}