/**
 * css/describe-video.css — French Video Description & Shadowing Studio
 * Bonjou French Learning Platform
 *
 * Theme-aware, accessible styling for all 7 platform themes:
 * dark, light, ocean, forest, app, bonjou, and paper.
 * Strict WCAG AA contrast compliance (4.5:1 text, 3:1 large/ui).
 */

/* ── Container & Hero ──────────────────────────────────────────────────────── */
.dv-container {
  min-height: 100vh;
  padding-bottom: 5rem;
  background-color: var(--bg);
  color: var(--text);
}

.dv-hero {
  padding: 2.4rem 1.5rem 2rem;
  background: linear-gradient(135deg, var(--surface-2), var(--surface));
  border-bottom: 1px solid var(--border);
  position: relative;
}

.dv-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.dv-hero-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1.8rem;
}

.dv-hero-copy {
  flex: 1;
  min-width: min(300px, 100%); /* M639 */
}

.dv-badge-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}





.dv-title {
  font-family: var(--font-display, 'Playfair Display', Georgia, serif);
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 0.8rem 0;
  color: var(--text);
}

.dv-subtitle {
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 780px;
  margin: 0;
}

.dv-hero-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.dv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body, inherit);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.65rem 1.15rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
}

.dv-btn-primary {
  background: #1d4ed8;
  color: #ffffff;
  border-color: #1d4ed8;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.dv-btn-primary:hover {
  filter: brightness(1.12);
  transform: translateY(-1px);
  box-shadow: var(--shadow-s);
}

.dv-btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}

.dv-btn-secondary:hover {
  background: var(--surface-2);
  border-color: var(--text-muted);
  color: var(--text);
  transform: translateY(-1px);
}

.dv-btn-sub {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}

.dv-btn-sub:hover {
  background: var(--surface-2);
  border-color: var(--text-muted);
  color: var(--text);
}

.dv-btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.dv-btn-ghost:hover {
  background: var(--surface-2);
  color: var(--text);
  border-color: var(--text-muted);
}

.dv-btn-danger {
  background: var(--red, #c0283a);
  color: #ffffff;
  border: 1px solid var(--red, #c0283a);
}

.dv-btn-danger:hover {
  filter: brightness(1.12);
}

.dv-btn-sm {
  font-size: 0.78rem;
  padding: 0.4rem 0.75rem;
}

.dv-btn-block {
  width: 100%;
}

/* ── Filter & Search Controls Card ─────────────────────────────────────────── */
.dv-controls-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
  box-shadow: var(--shadow-s);
}

.dv-filter-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
}

.dv-filter-label {
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.dv-level-pills {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.dv-search-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.dv-search-box {
  position: relative;
  flex: 1;
  min-width: 250px;
}

.dv-search-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.dv-search-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.6rem 2.2rem 0.6rem 2.5rem;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-sizing: border-box;
}

.dv-search-input:focus {
  border-color: var(--blue, #2563eb);
  box-shadow: 0 0 0 3px var(--accent-soft, rgba(37, 99, 235, 0.2));
}

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

.dv-search-clear {
  position: absolute;
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.dv-search-clear:hover {
  color: var(--text);
}

.dv-topic-select-wrap {
  min-width: 200px;
}

.dv-topic-select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.88rem;
  padding: 0.6rem 1rem;
  border-radius: 8px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.dv-topic-select:focus {
  border-color: var(--blue, #2563eb);
}

.dv-topic-select option {
  background: var(--surface);
  color: var(--text);
}

.dv-stats-summary {
  font-size: 0.84rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Catalog Grid ──────────────────────────────────────────────────────────── */
.dv-catalog-section {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.dv-catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.5rem;
}

.dv-video-card {
  --ds-card-radius:12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.dv-video-card:hover {
  transform: translateY(-4px);
  border-color: var(--blue, #2563eb);
  box-shadow: var(--shadow-m);
}

.dv-card-thumb-wrap {
  position: relative;
  width: 100%;
  padding-top: 56.25%; /* 16:9 ratio */
  background: #000;
  overflow: hidden;
}

.dv-card-thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.dv-video-card:hover .dv-card-thumb {
  transform: scale(1.05);
}

.dv-card-overlay-badge {
  position: absolute;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 2;
}

.dv-card-duration-badge {
  position: absolute;
  bottom: 0.6rem;
  right: 0.6rem;
  background: rgba(0, 0, 0, 0.85);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  backdrop-filter: blur(4px);
  z-index: 2;
}

.dv-card-play-hover {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.8);
  width: 48px;
  height: 48px;
  background: var(--blue, #2563eb);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  opacity: 0;
  transition: all 0.2s ease;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
  z-index: 3;
}

.dv-video-card:hover .dv-card-play-hover {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.dv-card-content {
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.dv-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.dv-card-topic {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue, #2563eb);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dv-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  margin: 0 0 0.6rem 0;
}

.dv-card-desc-snippet {
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.dv-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.dv-card-author {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
  color: var(--text-muted);
}

/* ── CEFR Level Badges ─────────────────────────────────────────────────────── */

/* ── Modal Backdrop & Frame ────────────────────────────────────────────────── */
.dv-modal-backdrop {
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  overflow-y: auto;
}

.dv-modal-container {
  padding: 0;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-l);
  overflow: hidden;
  animation: dvModalIn 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.dv-modal-md {
  max-width: 760px;
}

@keyframes dvModalIn {
  from { opacity: 0; transform: scale(0.96) translateY(12px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.dv-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.6rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.dv-modal-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.dv-modal-title {
  font-family: var(--font-display, 'Playfair Display', Georgia, serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}

.dv-close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  transition: all 0.15s ease;
}
.dv-close-btn:hover {
  background: var(--surface);
  color: var(--text);
}

/* ── Studio Split Layout ───────────────────────────────────────────────────── */
.dv-studio-body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  flex: 1;
  overflow-y: auto;
  background: var(--surface);
}

@media (max-width: 900px) {
  .dv-studio-body {
    grid-template-columns: 1fr;
  }
}

.dv-studio-player-col {
  padding: 1.5rem;
  border-right: 1px solid var(--border);
  background: var(--surface);
  overflow-y: auto;
}

.dv-video-wrapper {
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 1.2rem;
}

.dv-video-wrapper video {
  width: 100%;
  display: block;
  max-height: 380px;
  object-fit: cover;
}

.dv-video-overlay-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.9rem;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 0.6rem;
}

.dv-video-quick-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.dv-chip-btn { cursor: pointer; }



.dv-speed-selector {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.dv-speed-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
}

.dv-speed-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dv-speed-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.dv-speed-btn.active {
  background: var(--blue, #2563eb);
  color: #ffffff;
  border-color: var(--blue, #2563eb);
}

.dv-pexels-credit {
  font-size: 0.74rem;
  color: var(--text-muted);
}
.dv-pexels-credit a {
  color: var(--blue, #2563eb);
  font-weight: 600;
  text-decoration: underline;
}

/* ── Mode Tabs ─────────────────────────────────────────────────────────────── */
.dv-mode-tabs {
  display: flex;
  border-bottom: 2px solid var(--border);
  margin-bottom: 1.2rem;
}

.dv-mode-tab {
  flex: 1;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 700;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: all 0.15s ease;
  margin-bottom: -2px;
  text-align: center;
}

.dv-mode-tab:hover {
  color: var(--text);
}

.dv-mode-tab.active {
  color: var(--blue, #2563eb);
  border-bottom-color: var(--blue, #2563eb);
}

/* ── Studio Cards ──────────────────────────────────────────────────── */
.dv-panel-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem;
  margin-bottom: 1rem;
}

.dv-panel-heading {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 0.6rem 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.dv-prompts-list {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.5;
}

.dv-prompts-list li {
  margin-bottom: 0.4rem;
}

.dv-vocab-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.dv-vocab-chip {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.35rem 0.65rem;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.dv-vocab-chip:hover {
  border-color: var(--blue, #2563eb);
  background: var(--surface);
}

.dv-vocab-fr {
  font-weight: 700;
  color: var(--blue, #2563eb);
}

.dv-vocab-en {
  color: var(--text-muted);
  font-size: 0.76rem;
}

.dv-grammar-box {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.45;
  color: var(--text);
  background: var(--surface-2);
  border-left: 3px solid var(--purple, #7c3aed);
  padding: 0.65rem 0.9rem;
  border-radius: 0 6px 6px 0;
}

/* ── Teleprompter Shadowing Box ────────────────────────────────────────────── */
.dv-teleprompter-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.dv-shadow-line {
  font-size: 1.05rem;
  line-height: 1.45;
  padding: 0.55rem 0.85rem;
  border-radius: 6px;
  color: var(--text-muted);
  transition: all 0.18s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dv-shadow-line:hover {
  background: var(--surface-2);
  color: var(--text);
}

.dv-shadow-line.active {
  background: var(--surface-2);
  border-left: 4px solid var(--blue, #2563eb);
  color: var(--text);
  font-weight: 700;
}

.dv-model-desc-text {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
}

/* ── Audio Recording Studio Console ────────────────────────────────────────── */
.dv-studio-record-col {
  padding: 1.5rem;
  background: var(--surface-2);
  border-left: 1px solid var(--border);
  overflow-y: auto;
}

.dv-record-console {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

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

.dv-console-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}


.dv-record-status-pill.recording {
  background: var(--red-soft, rgba(239, 68, 68, 0.15));
  color: var(--red, #c0283a);
  border-color: var(--red, #c0283a);
  animation: dvPulse 1.5s infinite;
}

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

.dv-visualizer-wrap {
  position: relative;
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  height: 90px;
}

.dv-visualizer-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.dv-visualizer-overlay {
  position: absolute;
  right: 0.9rem;
  bottom: 0.6rem;
  font-family: monospace;
  font-size: 1.1rem;
  font-weight: 700;
  color: #60a5fa;
  background: rgba(0, 0, 0, 0.8);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

.dv-record-actions {
  display: flex;
  justify-content: center;
  padding: 0.5rem 0;
}

.dv-mic-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  background: var(--blue, #2563eb);
  color: #ffffff;
  border: none;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.35);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  justify-content: center;
  padding: 1rem;
  text-align: center;
}

.dv-mic-btn:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

.dv-mic-btn.recording {
  background: var(--red, #dc2626);
  box-shadow: 0 0 0 12px rgba(220, 38, 38, 0.25);
  animation: dvMicRecording 1.5s infinite;
}

@keyframes dvMicRecording {
  0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.4); }
  70% { transform: scale(1.03); box-shadow: 0 0 0 16px rgba(220, 38, 38, 0); }
  100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(220, 38, 38, 0); }
}

.dv-mic-icon {
  font-size: 2.2rem;
  line-height: 1;
}

.dv-mic-label {
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.2;
}

.dv-audio-preview-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.dv-preview-title {
  font-size: 0.86rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}

.dv-audio-player {
  width: 100%;
  height: 38px;
}

.dv-compare-row {
  display: flex;
  gap: 0.5rem;
}

.dv-compare-row button {
  flex: 1;
}

.dv-notes-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.dv-notes-label {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.dv-notes-textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.84rem;
  padding: 0.5rem;
  outline: none;
  resize: vertical;
}

.dv-notes-textarea:focus {
  border-color: var(--blue, #2563eb);
}

.dv-save-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.dv-tip-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue, #2563eb);
  border-radius: 8px;
  padding: 0.85rem;
}

.dv-tip-header {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue, #2563eb);
  margin-bottom: 0.3rem;
}

.dv-tip-content {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text-muted);
  margin: 0;
}

/* ── Recordings Drawer / Modal ─────────────────────────────────────────────── */
.dv-recordings-list-body {
  padding: 1.5rem;
  overflow-y: auto;
  max-height: 70vh;
}

.dv-recordings-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.dv-rec-count-label {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.dv-recordings-items {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.dv-recording-item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.dv-recording-item-card:hover {
  border-color: var(--blue, #2563eb);
  box-shadow: var(--shadow-s);
}

.dv-rec-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.dv-rec-card-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text);
}

.dv-rec-card-date {
  font-size: 0.76rem;
  color: var(--text-dim);
}

.dv-rec-card-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.dv-rec-card-notes {
  font-size: 0.82rem;
  line-height: 1.4;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
}

.dv-rec-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-top: 0.2rem;
}

.dv-rec-card-actions audio {
  flex: 1;
  height: 34px;
}

/* ── SLA Guide Modal ───────────────────────────────────────────────────────── */
.dv-guide-body {
  padding: 1.6rem;
  overflow-y: auto;
  max-height: 72vh;
}

.dv-guide-section {
  margin-bottom: 1.6rem;
}

.dv-guide-h3 {
  font-family: var(--font-display, 'Playfair Display', Georgia, serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blue, #2563eb);
  margin: 0 0 0.6rem 0;
}

.dv-guide-section p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 0.8rem 0;
}

.dv-protocol-steps {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 1rem;
}

.dv-protocol-step {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.9rem 1.1rem;
  border-radius: 10px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.dv-protocol-step strong {
  color: var(--text);
}

.dv-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--blue, #2563eb);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ── Toast ─────────────────────────────────────────────────────────────────── */
.dv-toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-l);
  z-index: 2000;
  animation: dvToastIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.dv-toast.success {
  border-left: 4px solid var(--green, #10b981);
}

.dv-toast.error {
  border-left: 4px solid var(--red, #ef4444);
}

.dv-toast.info {
  border-left: 4px solid var(--blue, #3b82f6);
}

@keyframes dvToastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Utility & Responsiveness ──────────────────────────────────────────────── */
.dv-flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.dv-text-sm {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.dv-hint-text {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.dv-mb-2 {
  margin-bottom: 0.8rem;
}

.dv-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.dv-loading-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1rem;
  color: var(--text-muted);
}

.dv-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--blue, #2563eb);
  border-radius: 50%;
  animation: dvSpin 0.8s linear infinite;
  margin: 0 auto 1rem;
}

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

/* ── Theme Specific Tweaks for Light / Paper / App / Ocean / Forest ─────────── */
:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-badge-primary {
  background: rgba(37, 99, 235, 0.1);
  color: var(--blue);
  border-color: rgba(37, 99, 235, 0.25);
}

:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-badge-accent {
  background: rgba(111, 66, 193, 0.1);
  color: var(--purple);
  border-color: rgba(111, 66, 193, 0.25);
}

:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-badge-sub {
  background: var(--surface-2);
  color: var(--text-muted);
}

:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-topic-tag {
  background: var(--surface-2);
  color: var(--text-muted);
}

:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-grammar-box {
  background: rgba(111, 66, 193, 0.08);
  border-left-color: var(--purple);
}

[data-theme="app"] .dv-btn {
  border-radius: 999px;
}

[data-theme="app"] .dv-video-card {
  border-radius: 16px;
}

@media (min-width: 640px) {
  [data-theme="app"] .dv-modal-container { border-radius: 20px; }
}

[data-theme="paper"] .dv-video-card {
  border-color: var(--border);
}

/* ── Dual Assessment Suite (Written & Oral Voice Keyword Grading) ──────────── */
.dv-dual-card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 1.25rem;
  margin-top: 1rem;
}

.dv-dual-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
  flex-wrap: wrap;
}

.dv-dual-header .dv-panel-heading {
  margin: 0;
}

.dv-subtabs {
  display: flex;
  gap: 0.5rem;
  margin: 0.9rem 0 0.85rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.65rem;
}

.dv-subtab {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.95rem;
  font-family: var(--font-body, inherit);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.dv-subtab:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.dv-subtab.active {
  background: #1d4ed8;
  color: #ffffff;
  border-color: #1d4ed8;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(29, 78, 216, 0.25);
}

.dv-subpanel {
  display: block;
  animation: dvFadeIn 0.2s ease-out;
}

@keyframes dvFadeIn {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

.dv-textarea-wrap,
.dv-oral-entry-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.dv-desc-textarea {
  width: 100%;
  box-sizing: border-box;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 0.85rem;
  font-family: var(--font-body, inherit);
  font-size: 0.92rem;
  line-height: 1.5;
  resize: vertical;
  min-height: 90px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.dv-desc-textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.dv-desc-textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.75;
}

.dv-desc-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.dv-counter-text {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.dv-label-sm {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}

.dv-label-xs {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}


.dv-transcript-badge.listening {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.4);
  animation: dvPulse 1.2s infinite;
}

.dv-transcript-badge.ready {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border-color: rgba(16, 185, 129, 0.4);
}

@keyframes dvPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(0.98); }
}

.dv-oral-action-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 0.2rem;
}

.dv-tts-chip-btn { cursor: pointer; }


.dv-tts-chip-btn.playing {
  background: rgba(37, 99, 235, 0.15);
  color: #2563eb;
  border-color: #2563eb;
}

/* ── Evaluation Card ───────────────────────────────────────────────────────── */
.dv-eval-card {
  margin-top: 0.9rem;
  padding: 1rem;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.dv-eval-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.dv-eval-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}





.dv-eval-metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}

.dv-eval-metric {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.65rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dv-eval-metric-lbl {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.dv-eval-metric-val {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text);
}

.dv-kw-checklist-wrap {
  margin-top: 0.6rem;
}

.dv-kw-checklist-lbl {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.4rem;
  display: block;
}

.dv-kw-checklist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.dv-kw-badge-speak {
  cursor: pointer;
  opacity: 0.75;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.dv-kw-badge-speak:hover {
  opacity: 1;
  transform: scale(1.15);
}

.dv-eval-feedback {
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--surface);
  border-left: 3px solid #2563eb;
  padding: 0.55rem 0.85rem;
  border-radius: 4px;
  margin-top: 0.5rem;
}

/* ── Studio Console Preview Transcript Box ─────────────────────────────────── */
.dv-preview-transcript-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  margin: 0.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.dv-preview-transcript-text {
  font-size: 0.88rem;
  line-height: 1.45;
  color: var(--text);
  margin: 0;
  font-style: italic;
  max-height: 90px;
  overflow-y: auto;
}

.dv-kw-summary-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-top: 0.35rem;
  border-top: 1px solid var(--border);
}

/* ── High Contrast Theme Overrides ─────────────────────────────────────────── */
:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-subtab.active {
  background: #1d4ed8;
  color: #ffffff;
  border-color: #1d4ed8;
}

:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-desc-textarea {
  background: #ffffff;
  color: #111827;
  border-color: #d1d5db;
}

:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-eval-card {
  background: #f9fafb;
  border-color: #e5e7eb;
}

:is([data-theme="light"], [data-theme="paper"], [data-theme="app"]) .dv-eval-metric {
  background: #ffffff;
  border-color: #e5e7eb;
}

/* M639: toast spans the phone width and clears the tab bar / home indicator. */
@media (max-width: 768px) {
    .dv-toast { left: 16px; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); }
    body.has-tabbar .dv-toast { bottom: calc(76px + env(safe-area-inset-bottom)); }
}