/* ===================================================
   VinVision — Dark Automotive Theme v3
   Video scriptwriter with storyboard display
   =================================================== */

:root {
  --bg-primary: #050a14;
  --bg-card: #0b1222;
  --bg-card-hover: #111b30;
  --bg-input: #080e1c;
  --border-color: #152040;
  --border-focus: #00e5ff;
  --text-primary: #e8ecf4;
  --text-secondary: #8494b2;
  --text-muted: #4a5a78;
  --accent: #00e5ff;
  --accent-glow: rgba(0, 229, 255, 0.12);
  --accent-purple: #7c4dff;
  --accent-green: #00e676;
  --accent-yellow: #ffd740;
  --accent-orange: #ff9100;
  --accent-red: #ff5252;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-color);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 200ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ---- AMBIENT GLOWS ---- */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
  top: -200px;
  left: -200px;
}

.glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 77, 255, 0.05) 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
}

/* ---- HEADER ---- */
.header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(5, 10, 20, 0.88);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  position: relative;
  width: 36px;
  height: 36px;
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.logo-scan-line {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanDown 2.5s ease-in-out infinite;
  opacity: 0.6;
}

@keyframes scanDown {
  0%, 100% { top: 0; opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { top: 34px; opacity: 0; }
}

.logo-text-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.logo-text {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  background: linear-gradient(135deg, #00e5ff 0%, #7c4dff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--accent-green);
  font-weight: 600;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ---- MAIN LAYOUT ---- */
.app {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px 64px;
  position: relative;
  z-index: 1;
}

/* ---- HERO BANNER ---- */
.hero-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 48px 0 40px;
  gap: 32px;
}

.hero-content {
  flex: 1;
}

.hero-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--text-primary);
}

.hero-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 420px;
}

.hero-graphic {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  animation: float 6s ease-in-out infinite;
}

.hero-car-icon {
  width: 100%;
  height: 100%;
}

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

/* ---- SECTION CARDS ---- */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.section-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 229, 255, 0.3), transparent);
}

.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: var(--bg-primary);
  font-size: 0.75rem;
  font-weight: 800;
  flex-shrink: 0;
}

.optional-badge {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border: 1px solid var(--border-color);
  border-radius: 100px;
  margin-left: auto;
}

.section-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  margin-top: -8px;
}

/* ---- INPUTS ---- */
.text-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 12px 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.text-input::placeholder {
  color: var(--text-muted);
}

.text-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow), 0 0 20px rgba(0, 229, 255, 0.08);
}

/* VIN Input */
.vin-input-wrap {
  position: relative;
}

.vin-input {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding-right: 60px;
}

.vin-counter {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.75rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.vin-counter.valid {
  color: var(--accent-green);
  text-shadow: 0 0 8px rgba(0, 230, 118, 0.4);
}

.hidden {
  display: none !important;
}

/* ---- DROP ZONE ---- */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 44px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.drop-zone:hover,
.drop-zone:focus-visible {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.drop-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-glow);
  border-style: solid;
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.drop-zone-content {
  pointer-events: none;
}

.drop-zone-icon-wrap {
  position: relative;
  display: inline-block;
  margin-bottom: 12px;
}

.upload-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
}

.scan-sweep {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: scanDown 3s ease-in-out infinite;
  opacity: 0.4;
}

.drop-zone-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.drop-zone-link {
  color: var(--accent);
  font-weight: 600;
}

.drop-zone-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---- THUMBNAILS ---- */
.thumbnail-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.thumb {
  position: relative;
  width: 68px;
  height: 68px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.thumb:hover {
  border-color: var(--accent);
}

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

.thumb-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.75);
  border: none;
  color: #fff;
  font-size: 11px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.photo-meta {
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.photo-count {
  font-weight: 600;
  color: var(--text-secondary);
}

/* ---- ANALYZE BUTTON ---- */
.analyze-btn {
  width: 100%;
  padding: 18px 24px;
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: var(--bg-primary);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  margin-top: 8px;
  transition: opacity var(--transition), transform var(--transition);
}

.analyze-btn-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

.btn-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition);
}

.analyze-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.analyze-btn:hover:not(:disabled) .btn-glow {
  opacity: 1;
}

.analyze-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.btn-icon {
  width: 18px;
  height: 18px;
}

/* ---- LOADING ---- */
.loading-wrap {
  text-align: center;
  padding: 48px 0;
}

.loading-scanner {
  position: relative;
  width: 64px;
  height: 64px;
  margin: 0 auto 28px;
}

.scanner-ring {
  position: absolute;
  inset: 0;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.scanner-ring.ring-2 {
  inset: 8px;
  border-top-color: var(--accent-purple);
  animation-direction: reverse;
  animation-duration: 1.5s;
}

.scanner-dot {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 1s ease infinite;
}

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

.loading-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.loading-status {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 20px;
}

.loading-bar-track {
  height: 3px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  max-width: 300px;
  margin: 0 auto;
}

.loading-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-purple));
  border-radius: 2px;
  width: 0%;
  transition: width 1s ease;
}

.loading-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ---- RESULTS ---- */

/* Vehicle Card */
.vehicle-card {
  position: relative;
  border-radius: var(--radius-lg);
  margin-bottom: 20px;
  overflow: hidden;
}

.vehicle-card-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.08) 0%, rgba(124, 77, 255, 0.08) 100%);
  z-index: 0;
}

.vehicle-card-inner {
  position: relative;
  z-index: 1;
  padding: 28px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-lg);
  background: rgba(11, 18, 34, 0.6);
  backdrop-filter: blur(8px);
}

.vehicle-title {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.vehicle-meta {
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.meta-tag.source-vin {
  color: var(--accent-green);
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.2);
}

.meta-tag.source-photo {
  color: var(--accent-yellow);
  background: rgba(255, 215, 64, 0.1);
  border: 1px solid rgba(255, 215, 64, 0.2);
}

.meta-tag.source-manual {
  color: var(--accent-purple);
  background: rgba(124, 77, 255, 0.1);
  border: 1px solid rgba(124, 77, 255, 0.2);
}

/* Vehicle Overview */
.vehicle-overview {
  margin-top: 14px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ---- VIDEO TITLE CARD ---- */
.video-title-card {
  text-align: center;
  padding: 20px 28px;
}

.video-title-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.video-title-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- STORYBOARD ---- */
.storyboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding: 0 4px;
}

.storyboard-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.storyboard-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.storyboard-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
}

.storyboard-segment {
  display: flex;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition);
}

.storyboard-segment:hover {
  border-color: rgba(0, 229, 255, 0.3);
}

.segment-photo {
  position: relative;
  width: 180px;
  min-height: 120px;
  flex-shrink: 0;
  overflow: hidden;
}

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

.segment-number {
  position: absolute;
  top: 8px;
  left: 8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-purple) 100%);
  color: var(--bg-primary);
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.segment-content {
  flex: 1;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.segment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.segment-scene-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.segment-duration {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 100px;
  background: rgba(0, 229, 255, 0.08);
  flex-shrink: 0;
}

.segment-narration {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.segment-camera {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-style: italic;
  padding-top: 8px;
  border-top: 1px solid rgba(21, 32, 64, 0.6);
}

.camera-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--accent-purple);
}

/* ---- NARRATION CARD ---- */
.narration-card {
  padding: 0;
}

.narration-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
}

.narration-heading {
  font-size: 0.9rem;
  font-weight: 700;
}

.copy-narration-btn {
  flex: none;
  padding: 8px 14px;
  font-size: 0.75rem;
}

.narration-text {
  padding: 24px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
}

/* ---- VIDEO GENERATION CONTROLS ---- */
.video-gen-card {
  border-color: rgba(124, 77, 255, 0.25);
  background: linear-gradient(135deg, rgba(124, 77, 255, 0.04) 0%, rgba(0, 229, 255, 0.02) 100%);
}

.video-gen-card::before {
  background: linear-gradient(90deg, transparent, rgba(124, 77, 255, 0.4), transparent);
}

.video-gen-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.video-gen-title-icon {
  width: 22px;
  height: 22px;
  color: var(--accent-purple);
}

.video-gen-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.video-gen-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.video-gen-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.video-gen-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.field-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 0.8rem;
  padding: 10px 12px;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a5a78' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.field-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.field-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}

.cost-estimate {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.cost-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.cost-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-green);
  font-variant-numeric: tabular-nums;
}

.generate-video-btn {
  width: 100%;
  padding: 16px 24px;
  border: none;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent) 100%);
  color: #fff;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: opacity var(--transition), transform var(--transition);
}

.generate-video-btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.generate-video-btn:hover:not(:disabled) .btn-glow {
  opacity: 1;
}

.generate-video-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.generate-video-btn-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
  z-index: 1;
}

/* ---- VIDEO PROGRESS ---- */
.video-progress-card {
  border-color: rgba(124, 77, 255, 0.25);
}

.video-progress-wrap {
  text-align: center;
  padding: 32px 0 24px;
}

.video-progress-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.segment-progress {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 20px;
  text-align: left;
  max-width: 360px;
  margin-left: auto;
  margin-right: auto;
}

.segment-progress-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
}

.segment-progress-item.active {
  color: var(--accent);
  border-color: rgba(0, 229, 255, 0.15);
  background: rgba(0, 229, 255, 0.04);
}

.segment-progress-item.done {
  color: var(--accent-green);
}

.segment-progress-item.error {
  color: var(--accent-red);
}

.progress-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.progress-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-color);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  flex-shrink: 0;
}

/* ---- VIDEO PLAYER ---- */
.video-player-card {
  padding: 0;
  overflow: hidden;
}

.video-player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
}

.video-player-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.video-player-actions {
  display: flex;
  gap: 8px;
}

.video-player-actions .action-btn {
  flex: none;
  padding: 8px 14px;
  font-size: 0.75rem;
}

.video-player-wrap {
  position: relative;
  background: #000;
  aspect-ratio: 16 / 9;
}

.video-player {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
}

.video-cached-notice {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
}

.cached-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  opacity: 0.5;
}

/* ---- PAYMENT MODAL (handled by AlphaPayments SDK) ---- */

/* ---- ASSET BACKUP ---- */
.asset-backup-section {
  border-top: 1px solid var(--border-color);
}

.asset-backup-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.asset-backup-toggle:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
}

.asset-backup-toggle.open {
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
}

.backup-chevron {
  transition: transform var(--transition);
}

.asset-backup-toggle.open .backup-chevron {
  transform: rotate(180deg);
}

.backup-badge {
  margin-left: auto;
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--accent-purple);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border: 1px solid rgba(124, 77, 255, 0.25);
  border-radius: 100px;
  background: rgba(124, 77, 255, 0.08);
}

.backup-panel {
  padding: 20px 24px;
}

.backup-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

.download-all-btn {
  width: 100%;
  margin-bottom: 16px;
  padding: 10px 16px;
  font-size: 0.8rem;
}

.asset-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.asset-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), background var(--transition);
}

.asset-item:hover {
  border-color: rgba(0, 229, 255, 0.2);
  background: rgba(0, 229, 255, 0.02);
}

.asset-item.asset-composed {
  border-color: rgba(0, 230, 118, 0.2);
  background: rgba(0, 230, 118, 0.03);
}

.asset-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.asset-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--text-muted);
}

.asset-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.asset-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.asset-size {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.asset-download-btn {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.asset-download-btn:hover {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

/* ---- ACTION BUTTONS ---- */
.action-btn {
  flex: 1;
  padding: 11px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition);
}

.primary-btn {
  background: var(--accent);
  color: var(--bg-primary);
}

.primary-btn:hover {
  opacity: 0.9;
  box-shadow: 0 0 16px rgba(0, 229, 255, 0.2);
}

.primary-btn.copied {
  background: var(--accent-green);
}

.secondary-btn {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.secondary-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.results-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  margin-bottom: 4px;
}

/* ---- START OVER ---- */
.start-over-btn {
  width: 100%;
  padding: 14px;
  margin-top: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--transition);
}

.start-over-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-secondary);
  border-color: var(--text-muted);
}

/* ---- FOOTER ---- */
.footer {
  text-align: center;
  padding: 24px;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}

/* ---- TOAST ---- */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
  font-size: 0.85rem;
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 229, 255, 0.1);
  z-index: 1000;
  transition: transform 0.3s ease;
  pointer-events: none;
}

.toast.visible {
  transform: translateX(-50%) translateY(0);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 640px) {
  .header-inner {
    padding: 12px 16px;
  }

  .app {
    padding: 0 16px 48px;
  }

  .hero-banner {
    flex-direction: column;
    text-align: center;
    padding: 32px 0 28px;
    gap: 20px;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .hero-desc {
    max-width: 100%;
  }

  .hero-graphic {
    width: 80px;
    height: 80px;
  }

  .section-card {
    padding: 20px 16px;
  }

  .vehicle-card-inner {
    padding: 20px;
  }

  .vehicle-title {
    font-size: 1.25rem;
  }

  .storyboard-segment {
    flex-direction: column;
  }

  .segment-photo {
    width: 100%;
    height: 160px;
  }

  .segment-content {
    padding: 14px 16px;
  }

  .narration-header {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .copy-narration-btn {
    width: 100%;
  }

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

  .video-player-header {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
  }

  .video-player-actions {
    width: 100%;
  }

  .video-player-actions .action-btn {
    flex: 1;
  }

  .video-cached-notice {
    font-size: 0.68rem;
  }

  .asset-backup-toggle {
    padding: 12px 16px;
  }

  .backup-panel {
    padding: 16px;
  }

  .asset-name {
    max-width: 140px;
  }

  .thumb {
    width: 56px;
    height: 56px;
  }
}