/*
 * Depends on:
 * - index.html app shell tokens: --bg-white, --border-light, --text-*, --accent, --radius
 * - Subtitle DOM ids/classes rendered by index.html: #tab-subtitle, .subtitle-*, #progressCard, #resultCard
 */

#tab-subtitle .subtitle-workspace {
  padding: 0;
  overflow: hidden;
  border-color: rgba(24, 24, 27, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), #fff 42%),
    radial-gradient(circle at 0 0, rgba(255, 0, 0, 0.055), transparent 34%);
}

.subtitle-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 22px 24px;
  border-bottom: 1px solid var(--border-light);
  background:
    linear-gradient(135deg, rgba(255, 0, 0, 0.04), rgba(255, 255, 255, 0) 48%),
    #fff;
}

.subtitle-hero h1 {
  margin: 0;
  color: var(--accent);
  font-size: clamp(0.86rem, 1.05vw, 1rem);
  font-weight: 850;
  letter-spacing: 0;
  line-height: 1.2;
  text-transform: uppercase;
}

.subtitle-hero p {
  max-width: 720px;
  margin: 6px 0 0;
  color: var(--text-secondary);
  font-size: 0.78rem;
  line-height: 1.5;
}

.subtitle-hero-actions,
.subtitle-run-actions,
.subtitle-inline-actions,
.subtitle-tab-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.subtitle-hero-actions {
  display: grid;
  grid-template-columns: repeat(2, 164px);
  justify-content: flex-end;
  align-items: center;
  grid-auto-rows: 40px;
}

.subtitle-file-btn,
.subtitle-action-btn {
  appearance: none;
  display: inline-flex;
  width: 100%;
  height: 40px;
  min-height: 40px;
  align-items: center;
  align-self: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border-radius: 999px;
  box-sizing: border-box;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
  transition: all 0.18s ease;
}

.subtitle-file-btn {
  border: 1px solid var(--border-light);
  background: #fff;
  color: var(--text-primary);
}

.subtitle-file-btn input {
  display: none;
}

.subtitle-action-btn {
  border: 1px solid rgba(255, 0, 0, 0.18);
  background: linear-gradient(135deg, #ff0000, #d91414);
  color: #fff;
  box-shadow: 0 10px 22px rgba(255, 0, 0, 0.17);
}

.subtitle-action-btn:disabled {
  border-color: var(--border-light);
  background: #f1f2f4;
  color: var(--text-muted);
  box-shadow: none;
  cursor: not-allowed;
}

.subtitle-file-btn:hover,
.subtitle-action-btn:not(:disabled):hover {
  transform: translateY(-1px);
}

.subtitle-control-card,
.subtitle-run-card,
.subtitle-card,
.subtitle-restore-banner {
  margin: 18px 24px 0;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: 0 8px 22px rgba(17, 24, 39, 0.04);
}

.subtitle-control-card,
.subtitle-card {
  padding: 18px;
}

.subtitle-run-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
}

.subtitle-restore-banner {
  padding: 14px 18px;
}

.subtitle-card:last-child {
  margin-bottom: 24px;
}

.subtitle-section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.subtitle-section-kicker {
  margin-bottom: 4px;
  color: var(--accent);
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  text-transform: uppercase;
}

.subtitle-section-title {
  color: var(--text-primary);
  font-size: 1.02rem;
  font-weight: 850;
  line-height: 1.25;
}

.subtitle-run-info {
  min-height: 20px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 750;
  line-height: 1.45;
}

.subtitle-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.subtitle-progress-head .elapsed-timer {
  margin-left: auto;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.subtitle-card h2 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.02rem;
  font-weight: 850;
  line-height: 1.25;
}

.subtitle-zip-btn {
  display: inline-flex;
  min-height: 34px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid rgba(22, 163, 74, 0.24);
  border-radius: 999px;
  background: rgba(22, 163, 74, 0.08);
  color: var(--green);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 850;
  line-height: 1;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.subtitle-zip-btn:hover {
  border-color: rgba(22, 163, 74, 0.38);
  background: rgba(22, 163, 74, 0.12);
  transform: translateY(-1px);
}

.subtitle-card .progress-area {
  padding: 14px;
  border: 1px solid rgba(17, 24, 39, 0.06);
  border-radius: 10px;
  background: rgba(248, 249, 250, 0.72);
}

.subtitle-card .progress-text {
  margin-top: 9px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 750;
}

.subtitle-card .progress-detail {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
}

#statusMessages {
  display: grid;
  gap: 6px;
  margin-top: 12px;
}

#statusMessages:empty {
  display: none;
  margin: 0;
}

#statusMessages .status-msg {
  margin: 0;
  border: 1px solid var(--border-light);
  background: #fff;
  font-size: 0.78rem;
  line-height: 1.45;
}

.subtitle-preview-section {
  margin-top: 16px;
}

.subtitle-preview-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.subtitle-preview-section h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 850;
}

.subtitle-tab-row {
  margin-bottom: 10px;
}

#tab-subtitle .preview-lang-btn,
#tab-subtitle .lang-tab {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 999px;
  box-sizing: border-box;
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1;
  vertical-align: middle;
}

#tab-subtitle .dl-grid {
  grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 7px;
  margin: 0 0 18px;
}

#tab-subtitle .dl-btn {
  display: inline-flex;
  height: 34px;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-color: rgba(17, 24, 39, 0.08);
  border-radius: 999px;
  background: #fff;
  box-sizing: border-box;
  color: var(--text-secondary);
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1;
}

#tab-subtitle .dl-btn::before {
  content: "SRT";
  margin-right: 7px;
  color: var(--accent);
  font-size: 0.58rem;
  font-weight: 900;
  letter-spacing: 0;
}

#tab-subtitle .dl-btn:hover {
  border-color: rgba(255, 0, 0, 0.2);
  color: var(--accent);
  transform: translateY(-1px);
}

#tab-subtitle .live-preview,
#tab-subtitle .result-preview,
#tab-subtitle .compare-container {
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 10px;
  background: #fafafa;
}

#tab-subtitle .live-preview,
#tab-subtitle .result-preview {
  height: 360px;
  padding: 14px;
}

#tab-subtitle .compare-container {
  height: 420px;
}

#tab-subtitle .compare-header h4 {
  padding: 10px 14px;
  font-size: 0.78rem;
  font-weight: 850;
}

#tab-subtitle .compare-cell {
  padding: 10px 14px;
  font-size: 0.76rem;
  line-height: 1.55;
}

@media (max-width: 900px) {
  .subtitle-hero {
    grid-template-columns: 1fr;
    padding: 18px;
  }

  .subtitle-hero-actions,
  .subtitle-file-btn,
  .subtitle-action-btn {
    width: 100%;
  }

  .subtitle-hero-actions {
    grid-template-columns: 1fr;
  }

  .subtitle-control-card,
  .subtitle-run-card,
  .subtitle-card,
  .subtitle-restore-banner {
    margin-left: 18px;
    margin-right: 18px;
  }

  .subtitle-section-head,
  .subtitle-run-card,
  .subtitle-restore-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .subtitle-inline-actions,
  .subtitle-run-actions {
    justify-content: flex-start;
  }

  .subtitle-card-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .subtitle-progress-head {
    align-items: center;
    flex-direction: row;
  }

  .subtitle-zip-btn {
    width: 100%;
  }

  .subtitle-preview-head {
    align-items: center;
  }
}