/* ============================================
   SamarVid — Design System & Styles
   ============================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  /* Colors */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.6);
  --bg-card-hover: rgba(17, 24, 39, 0.8);
  --border-subtle: rgba(99, 102, 241, 0.15);
  --border-highlight: rgba(99, 102, 241, 0.4);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-indigo: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-amber: #f59e0b;
  --accent-blue: #3b82f6;

  --gradient-primary: linear-gradient(135deg, #6366f1, #06b6d4);
  --gradient-success: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-danger: linear-gradient(135deg, #f43f5e, #f59e0b);
  --gradient-turning: linear-gradient(135deg, #3b82f6, #6366f1);

  /* Glassmorphism */
  --glass-bg: rgba(15, 23, 42, 0.65);
  --glass-border: rgba(99, 102, 241, 0.12);
  --glass-blur: 20px;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow-indigo: 0 0 30px rgba(99, 102, 241, 0.2);
  --shadow-glow-cyan: 0 0 30px rgba(6, 182, 212, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Animated Background --- */
.bg-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(99, 102, 241, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
  animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
  0% { transform: scale(1) translate(0, 0); }
  50% { transform: scale(1.05) translate(-2%, 3%); }
  100% { transform: scale(1) translate(2%, -2%); }
}

.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* --- App Container --- */
.app {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Header --- */
.header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  background: rgba(10, 14, 26, 0.7);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  max-width: 1200px;
  margin: 0 auto;
}

.logo-icon {
  width: 40px;
  height: 40px;
  animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

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

.logo-text h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* --- Main --- */
.main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-xl);
}

.section {
  animation: fadeInUp 0.6s ease forwards;
}

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

/* --- Glass Card --- */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

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

/* --- Upload Section --- */
.upload-card {
  padding: var(--space-3xl);
}

.upload-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-3xl) var(--space-xl);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.upload-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--accent-indigo);
  box-shadow: var(--shadow-glow-indigo);
}

.upload-area:hover::before,
.upload-area.drag-over::before {
  opacity: 0.03;
}

.upload-icon {
  width: 80px;
  height: 80px;
  color: var(--accent-indigo);
  margin-bottom: var(--space-lg);
  animation: uploadBounce 2s ease-in-out infinite;
}

@keyframes uploadBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

.upload-area h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  position: relative;
}

.upload-area p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: var(--space-xs);
  position: relative;
}

.upload-hint {
  color: var(--text-muted) !important;
  font-size: 0.8rem !important;
  margin-top: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: rgba(99, 102, 241, 0.08);
  border-radius: var(--radius-full);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.75rem;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
  margin-top: var(--space-lg);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--accent-indigo);
  box-shadow: var(--shadow-glow-indigo);
  transform: translateY(-2px);
}

/* --- Processing Section --- */
.processing-section {
  text-align: center;
}

.processing-card {
  padding: var(--space-2xl);
}

.processing-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent-indigo);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.processing-header h2 {
  font-size: 1.25rem;
  font-weight: 700;
}

.progress-container {
  margin-bottom: var(--space-xl);
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--space-sm);
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.progress-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.processing-video-container {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

.processing-video-container video {
  width: 100%;
  display: block;
  background: #000;
}

.processing-video-container canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* --- Results Section — Compact Single-Screen --- */
.results-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* -- Verdict Banner (horizontal) -- */
.verdict-banner {
  padding: 8px var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  overflow: hidden;
}

.verdict-main {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.verdict-banner::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.verdict-banner.turning::before { background: var(--gradient-turning); }
.verdict-banner.distracted::before { background: var(--gradient-danger); }
.verdict-banner.normal::before { background: var(--gradient-success); }
.verdict-banner.inconclusive::before { background: linear-gradient(135deg, #f59e0b, #8b5cf6); }

.verdict-left {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-shrink: 0;
}

.verdict-emoji {
  font-size: 1.5rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

.verdict-banner.turning .verdict-emoji { background: rgba(59, 130, 246, 0.15); }
.verdict-banner.distracted .verdict-emoji { background: rgba(244, 63, 94, 0.15); }
.verdict-banner.normal .verdict-emoji { background: rgba(16, 185, 129, 0.15); }
.verdict-banner.inconclusive .verdict-emoji { background: rgba(245, 158, 11, 0.15); }

.verdict-info { flex-shrink: 0; }

.verdict-text {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 2px;
}

.verdict-banner.turning .verdict-text { background: var(--gradient-turning); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.verdict-banner.distracted .verdict-text { background: var(--gradient-danger); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.verdict-banner.normal .verdict-text { background: var(--gradient-success); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.verdict-banner.inconclusive .verdict-text { background: linear-gradient(135deg, #f59e0b, #8b5cf6); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

.confidence-inline {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  width: 140px;
}

.confidence-bar {
  flex: 1;
  height: 4px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

.verdict-banner.turning .confidence-fill { background: var(--gradient-turning); }
.verdict-banner.distracted .confidence-fill { background: var(--gradient-danger); }
.verdict-banner.normal .confidence-fill { background: var(--gradient-success); }
.verdict-banner.inconclusive .confidence-fill { background: linear-gradient(135deg, #f59e0b, #8b5cf6); }

.confidence-value {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  min-width: 30px;
}

/* Event chips container */
.verdict-events {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  flex: 1;
  align-items: center;
}

.verdict-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.chip-good    { background: rgba(16,185,129,0.15); color: #10b981; border: 1px solid rgba(16,185,129,0.3); }
.chip-info    { background: rgba(59,130,246,0.15);  color: #3b82f6; border: 1px solid rgba(59,130,246,0.3); }
.chip-neutral { background: rgba(100,116,139,0.15); color: #94a3b8; border: 1px solid rgba(100,116,139,0.2); }
.chip-warn    { background: rgba(245,158,11,0.15);  color: #f59e0b; border: 1px solid rgba(245,158,11,0.3); }
.chip-danger  { background: rgba(244,63,94,0.15);   color: #f43f5e; border: 1px solid rgba(244,63,94,0.3); }

/* Active (expanded) chip state */
.verdict-chip.chip-active {
  outline: 2px solid currentColor;
  outline-offset: 1px;
}

/* ── Clip Description Panel ── */
.verdict-synopsis {
  margin-top: 8px;
  padding: 10px 12px;
  background: rgba(99,102,241,0.04);
  border-radius: var(--radius-sm);
  border-top: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.desc-narrative {
  font-size: 0.72rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.desc-section {
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.desc-section-title {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 3px;
}

.desc-bullets {
  margin: 0;
  padding-left: 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.desc-bullets li {
  font-size: 0.7rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.desc-tele {
  color: var(--accent-cyan);
  font-size: 0.68rem;
  line-height: 1.5;
}

.desc-gps {
  color: var(--accent-emerald);
  font-size: 0.68rem;
  line-height: 1.5;
}

/* Legacy timeline classes (kept for safety) */
.syn-block, .syn-normal, .syn-turn, .syn-distracted, .syn-unknown,
.syn-label, .syn-gps, .syn-dur, .syn-arrow { display: none; }

/* Chip detail expandable panel */
.verdict-detail {
  margin-top: 8px;
  padding: 10px 12px;
  background: rgba(99,102,241,0.06);
  border-radius: var(--radius-sm);
  border-top: 1px solid var(--glass-border);
  animation: fadeInUp 0.15s ease forwards;
}

.cd-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.cd-grid {
  display: grid;
  grid-template-columns: minmax(120px,auto) minmax(60px,auto) 1fr;
  gap: 3px 12px;
  margin-bottom: 8px;
}

.cd-key {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  align-self: center;
}

.cd-val {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
  align-self: center;
}

.cd-thresh {
  font-size: 0.62rem;
  color: var(--text-muted);
  align-self: center;
  font-style: italic;
}

.cd-how {
  font-size: 0.68rem;
  color: var(--text-secondary);
  line-height: 1.55;
  border-top: 1px solid var(--glass-border);
  padding-top: 6px;
}

/* -- Top Row (Video + Map side by side) -- */
.top-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  min-height: 0;
}

/* Hidden map in top-row still participates in grid but stays invisible */
.top-row .map-card.hidden {
  display: none;
}

/* When no GPS, video takes full width */
.top-row:has(.map-card.hidden) {
  grid-template-columns: 1fr;
}

/* -- Stats Bar (full-width horizontal strip) -- */
.stats-bar {
  padding: 6px 10px;
}

.stats-grid-wide {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
}

/* Keep old results-columns for fallback (not used in new layout) */
.results-columns {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-sm);
  min-height: 0;
}

.video-panel {
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.playback-container {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #000;
}

.playback-container video {
  width: 100%;
  display: block;
  max-height: 280px;
  object-fit: contain;
}

.playback-container canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.pose-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.pose-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  padding: 4px;
  background: rgba(99, 102, 241, 0.05);
  border-radius: 6px;
}

.pose-label {
  font-size: 0.6rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.pose-value {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* -- Stats Panel -- */
.stats-panel {
  display: flex;
  flex-direction: column;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  height: 100%;
}

.stat {
  padding: 6px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0;
}

.stat-lbl {
  font-size: 0.55rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  line-height: 1;
}

.stat-num {
  font-size: 1.1rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.stat-num.stat-text {
  font-size: 0.8rem;
}

.stat-num.color-good { background: var(--gradient-success); -webkit-background-clip: text; background-clip: text; }
.stat-num.color-warn { background: linear-gradient(135deg, #f59e0b, #f97316); -webkit-background-clip: text; background-clip: text; }
.stat-num.color-bad  { background: var(--gradient-danger); -webkit-background-clip: text; background-clip: text; }

.stat-u {
  font-size: 0.5rem;
  color: var(--text-muted);
  line-height: 1;
}

/* -- Charts Row -- */
.charts-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-sm);
}

.mini-chart {
  padding: var(--space-xs) var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mini-title {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mini-body {
  position: relative;
  height: 100px;
}

.mini-body canvas {
  width: 100%;
  height: 100%;
}

/* -- Route Map Card -- */
.map-card {
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
}

.map-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
  flex-shrink: 0;
}

.map-legend {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.6rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 2px;
}

.legend-normal { background: #10b981; }
.legend-turning { background: #3b82f6; }
.legend-distracted { background: #f43f5e; }

.map-body {
  flex: 1;
  min-height: 280px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #0a0e1a;
}

/* Override Leaflet's default white styles for dark theme */
.map-body .leaflet-control-zoom a {
  background: var(--glass-bg) !important;
  color: var(--text-primary) !important;
  border-color: var(--glass-border) !important;
}

.map-tooltip {
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  color: var(--text-primary) !important;
  font-family: var(--font-family) !important;
  font-size: 0.7rem !important;
  padding: 4px 8px !important;
  border-radius: 6px !important;
  box-shadow: var(--shadow-md) !important;
}

.map-tooltip::before {
  border-top-color: var(--glass-border) !important;
}

.map-marker-start,
.map-marker-end {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: white;
  text-shadow: 0 0 4px rgba(0,0,0,0.8);
}

.map-marker-start { color: #10b981; }
.map-marker-end { color: #f43f5e; }

/* GPS Turn Apex Marker */
.map-turn-marker {
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(10, 14, 26, 0.85);
  border: 1.5px solid rgba(99, 102, 241, 0.6);
  border-radius: 20px;
  padding: 2px 7px;
  font-size: 0.72rem;
  font-weight: 800;
  color: #a5b4fc;
  white-space: nowrap;
  backdrop-filter: blur(4px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.5);
  font-family: 'Inter', sans-serif;
  pointer-events: none;
}

.map-turn-deg {
  font-size: 0.6rem;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: -0.02em;
}


.map-label {
  font-size: 0.6rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.05em !important;
}

/* -- Signal Row (Object Detection + Confidence Breakdown) -- */
.signal-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.signal-card {
  padding: var(--space-sm) var(--space-md);
}

/* Object Detection Events */
.object-events-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 6px;
  max-height: 120px;
  overflow-y: auto;
}

.object-empty {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-style: italic;
  text-align: center;
  padding: 12px 0;
}

.obj-event {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 0.7rem;
}

.obj-badge-neutral {
  background: rgba(100, 116, 139, 0.15);
  color: var(--text-secondary);
}

.obj-badge-danger {
  background: rgba(244, 63, 94, 0.15);
  color: #f43f5e;
}

.obj-label { font-weight: 600; }
.obj-count {
  font-weight: 700;
  font-size: 0.65rem;
  opacity: 0.7;
}
.obj-times {
  font-size: 0.6rem;
  color: var(--text-muted);
  flex: 1;
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Confidence Breakdown Bars */
.confidence-bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 6px;
}

.conf-bar-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.conf-bar-label {
  font-size: 0.65rem;
  min-width: 70px;
  white-space: nowrap;
}

.conf-bar-track {
  flex: 1;
  height: 8px;
  background: rgba(148, 163, 184, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.conf-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.6s ease;
}

.conf-bar-value {
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 32px;
  text-align: right;
}

.conf-bar-total {
  margin-top: 4px;
  padding-top: 4px;
  border-top: 1px solid var(--glass-border);
}

.conf-bar-total .conf-bar-label {
  font-weight: 700;
}

.conf-bar-total .conf-bar-track { height: 10px; }

/* Map Scrub Pulse */
.map-scrub-pulse {
  animation: mapPulse 1.5s ease-in-out infinite;
}

@keyframes mapPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* -- Telemetry Diagnostics Card — collapsible -- */
.telemetry-card {
  padding: 0;
  overflow: hidden;
}

.telemetry-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  color: inherit;
  font-family: var(--font-family);
  cursor: pointer;
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
}

.telemetry-toggle:hover {
  background: rgba(99, 102, 241, 0.06);
}

.telemetry-toggle-right {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.toggle-chevron {
  color: var(--text-muted);
  transition: transform var(--transition-base);
}

.telemetry-toggle[aria-expanded="true"] .toggle-chevron {
  transform: rotate(180deg);
}

.telemetry-body {
  padding: 0 var(--space-md) var(--space-sm);
}

/* Legacy header (not used in new layout but kept safe) */
.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
}

.telemetry-count {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 600;
}

.telemetry-list {
  max-height: 220px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
  scrollbar-width: thin;
  scrollbar-color: rgba(99, 102, 241, 0.2) transparent;
}

.telemetry-list::-webkit-scrollbar {
  width: 4px;
}

.telemetry-list::-webkit-scrollbar-track {
  background: transparent;
}

.telemetry-list::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.2);
  border-radius: 2px;
}

.telemetry-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr 0.7fr 0.7fr;
  gap: var(--space-sm);
  padding: 4px 8px;
  background: rgba(99, 102, 241, 0.04);
  border-radius: 6px;
  font-size: 0.72rem;
  align-items: center;
  transition: background var(--transition-fast);
}

.telemetry-row:hover {
  background: rgba(99, 102, 241, 0.1);
}

.tele-col {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tele-time {
  color: var(--text-secondary);
  font-weight: 500;
}

.tele-coord {
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: -0.02em;
}

.tele-speed {
  color: var(--accent-cyan);
  font-weight: 700;
  text-align: right;
}

.tele-heading {
  font-weight: 600;
  text-align: right;
}

.telemetry-empty {
  padding: var(--space-md);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-style: italic;
}

.tele-conf {
  font-weight: 700;
  text-align: right;
  font-size: 0.65rem;
}

.telemetry-entry {
  display: flex;
  flex-direction: column;
}

.ocr-debug-panel {
  padding: 8px 8px 4px;
  background: rgba(15, 23, 42, 0.6);
  border-radius: 0 0 6px 6px;
  margin-bottom: 4px;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 300px; }
}

.ocr-debug-images {
  display: flex;
  gap: 8px;
  margin-bottom: 6px;
}

.ocr-debug-item {
  flex: 1;
  min-width: 0;
}

.ocr-debug-label {
  font-size: 0.55rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 3px;
  font-weight: 600;
}

.ocr-debug-item img {
  width: 100%;
  border-radius: 4px;
  border: 1px solid var(--glass-border);
  image-rendering: pixelated;
}

.ocr-debug-raw {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-family: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
  padding: 3px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* -- Actions -- */
.actions {
  display: flex;
  justify-content: center;
  padding: var(--space-xs) 0;
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.8rem;
}

/* --- Footer --- */
.footer {
  padding: var(--space-sm) var(--space-xl);
  text-align: center;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.75rem;
}

.footer strong {
  color: var(--text-secondary);
}

/* --- Utilities --- */
.hidden {
  display: none !important;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .main {
    padding: var(--space-md);
  }

  .results-columns {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .verdict-banner {
    flex-direction: column;
    text-align: center;
  }

  .verdict-left {
    justify-content: center;
  }

  .charts-row {
    grid-template-columns: 1fr;
  }
}

/* Verdict Card */
.verdict-card {
  padding: var(--space-2xl) var(--space-3xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.verdict-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.verdict-card.turning::before {
  background: var(--gradient-turning);
}

.verdict-card.distracted::before {
  background: var(--gradient-danger);
}

.verdict-card.normal::before {
  background: var(--gradient-success);
}

.verdict-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  animation: verdictPulse 2s ease-in-out infinite;
}

@keyframes verdictPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.verdict-card.turning .verdict-icon {
  background: rgba(59, 130, 246, 0.15);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.2);
}

.verdict-card.distracted .verdict-icon {
  background: rgba(244, 63, 94, 0.15);
  box-shadow: 0 0 40px rgba(244, 63, 94, 0.2);
}

.verdict-card.normal .verdict-icon {
  background: rgba(16, 185, 129, 0.15);
  box-shadow: 0 0 40px rgba(16, 185, 129, 0.2);
}

.verdict-text {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: var(--space-sm);
  letter-spacing: -0.02em;
}

.verdict-card.turning .verdict-text {
  background: var(--gradient-turning);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.verdict-card.distracted .verdict-text {
  background: var(--gradient-danger);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.verdict-card.normal .verdict-text {
  background: var(--gradient-success);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.verdict-card.inconclusive::before {
  background: linear-gradient(135deg, #f59e0b, #8b5cf6);
}

.verdict-card.inconclusive .verdict-icon {
  background: rgba(245, 158, 11, 0.15);
  box-shadow: 0 0 40px rgba(245, 158, 11, 0.2);
}

.verdict-card.inconclusive .verdict-text {
  background: linear-gradient(135deg, #f59e0b, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.verdict-card.inconclusive .confidence-fill {
  background: linear-gradient(135deg, #f59e0b, #8b5cf6);
}

.verdict-description {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
  line-height: 1.7;
  white-space: pre-line;
  text-align: left;
}

.verdict-confidence {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  justify-content: center;
  max-width: 300px;
  margin: 0 auto;
}

.verdict-confidence span {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.confidence-bar {
  flex: 1;
  height: 6px;
  background: rgba(99, 102, 241, 0.1);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.confidence-fill {
  height: 100%;
  width: 0%;
  border-radius: var(--radius-full);
  transition: width 1s ease;
}

.verdict-card.turning .confidence-fill {
  background: var(--gradient-turning);
}

.verdict-card.distracted .confidence-fill {
  background: var(--gradient-danger);
}

.verdict-card.normal .confidence-fill {
  background: var(--gradient-success);
}

.confidence-value {
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  min-width: 40px;
  text-align: right;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
}

.metrics-grid.compact {
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-sm);
}

.metric-card {
  padding: var(--space-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metrics-grid.compact .metric-card {
  padding: var(--space-sm) var(--space-xs);
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

.metrics-grid.compact .metric-value {
  font-size: 1.25rem;
}

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

@media (max-width: 768px) {
  .metrics-grid.compact {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Chart Card */
.chart-card {
  padding: var(--space-xl);
}

.chart-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.chart-subtitle {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
}

.chart-legend {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.legend-dot.normal {
  background: var(--accent-emerald);
}

.legend-dot.turning {
  background: var(--accent-blue);
}

.legend-dot.distracted {
  background: var(--accent-rose);
}

.chart-container {
  position: relative;
  width: 100%;
  height: 250px;
}

.chart-container canvas {
  width: 100%;
  height: 100%;
}

/* Playback Card */
.playback-card {
  padding: var(--space-xl);
}

.playback-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.playback-container {
  position: relative;
  max-width: 640px;
  margin: 0 auto var(--space-lg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background: #000;
}

.playback-container video {
  width: 100%;
  display: block;
}

.playback-container canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.playback-info {
  max-width: 640px;
  margin: 0 auto;
}

.pose-display {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

.pose-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background: rgba(99, 102, 241, 0.05);
  border-radius: var(--radius-sm);
}

.pose-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.pose-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* Actions */
.actions {
  display: flex;
  justify-content: center;
  padding: var(--space-md) 0;
}

/* --- Footer --- */
.footer {
  padding: var(--space-lg) var(--space-xl);
  text-align: center;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer strong {
  color: var(--text-secondary);
}

/* --- Utilities --- */
.hidden {
  display: none !important;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .main {
    padding: var(--space-lg) var(--space-md);
  }

  .upload-card {
    padding: var(--space-xl);
  }

  .upload-area {
    padding: var(--space-xl) var(--space-md);
  }

  /* Stack video + map vertically */
  .top-row {
    grid-template-columns: 1fr;
  }

  /* Give map an explicit height when stacked so Leaflet can measure it */
  .map-body {
    min-height: 300px;
    height: 300px;
  }

  /* Stats: 5 columns → 2 rows of 5 on tablet, handled below for phone */
  .stats-grid-wide {
    grid-template-columns: repeat(5, 1fr);
  }

  /* Signal row: side-by-side → stacked */
  .signal-row {
    grid-template-columns: 1fr;
  }

  /* Charts: let them wrap naturally (already uses auto-fit) */
  .charts-row {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Legacy */
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pose-display {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-container {
    height: 200px;
  }
}

@media (max-width: 480px) {
  /* Stats: 2 rows of 5 → 2 rows of 5 (keep compact), or drop to 4 */
  .stats-grid-wide {
    grid-template-columns: repeat(5, 1fr);
    font-size: 0.85em; /* scale down slightly */
  }

  /* Charts: full width on very small screens */
  .charts-row {
    grid-template-columns: 1fr;
  }

  /* Legacy */
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}