/* ─────────────────────────────────────────────────────────────────
   ADMIN — Listening V2 editor
   Part → Block → Element nested authoring for human-recorded audio
   IELTS tests. Inherits admin shell colors from admin.css; this file
   carries only the editor-specific layout and the inline audio
   player styling.
   ───────────────────────────────────────────────────────────── */

/* ── List view ────────────────────────────────────────────────── */
.lv2-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.4rem;
}
.lv2-list-head h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 500;
  font-size: 1.6rem;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink, #1F1812);
}
.lv2-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: .9rem;
}
.lv2-test-card {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.1rem 1.2rem;
  background: var(--card, #fff);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.lv2-test-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-warm, #B57A2E);
  box-shadow: 0 10px 24px -14px rgba(0,0,0,.45);
}
.lv2-test-card-title {
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.08rem;
  font-weight: 500;
  line-height: 1.25;
  color: var(--ink, #1F1812);
}
.lv2-test-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .75rem;
  color: var(--ink-mute, #6B5E4A);
}
.lv2-test-card-meta .lv2-chip {
  display: inline-flex;
  align-items: center;
  padding: .15rem .45rem;
  background: var(--bg-tint, #F7F3E8);
  border-radius: 4px;
  font-weight: 600;
  letter-spacing: .04em;
}
.lv2-test-card-status {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.lv2-test-card-status.is-draft {
  color: #8A4533;
}
.lv2-test-card-status.is-published {
  color: #2F5A2C;
}
.lv2-test-card-status .lv2-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor;
}

.lv2-empty {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--ink-mute, #6B5E4A);
}
.lv2-empty h3 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 500;
  font-size: 1.4rem;
  margin: 0 0 .35rem;
  color: var(--ink, #1F1812);
}

/* ── Editor — top toolbar (sticky audio player) ──────────────── */
.lv2-editor {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.lv2-toolbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .9rem 1.1rem;
  background: var(--card, #fff);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 12px;
  box-shadow: 0 8px 18px -14px rgba(0,0,0,.4);
}
.lv2-toolbar-back {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .45rem .75rem;
  background: transparent;
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 8px;
  font: inherit;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink-soft, #4A3F33);
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, border-color .15s;
}
.lv2-toolbar-back:hover {
  background: var(--bg-tint, #F7F3E8);
  border-color: var(--accent-warm, #B57A2E);
}
.lv2-toolbar-title {
  flex: 1;
  min-width: 0;
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: -.005em;
  color: var(--ink, #1F1812);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lv2-toolbar-actions {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}
.lv2-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .5rem .9rem;
  background: var(--bg-tint, #F7F3E8);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 8px;
  font: inherit;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .85rem;
  font-weight: 600;
  color: var(--ink, #1F1812);
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .15s;
}
.lv2-btn:hover {
  border-color: var(--accent-warm, #B57A2E);
  transform: translateY(-1px);
}
.lv2-btn.is-primary {
  background: var(--accent-warm, #B57A2E);
  border-color: var(--accent-warm, #B57A2E);
  color: #FFFDF4;
}
.lv2-btn.is-primary:hover { filter: brightness(1.06); }
.lv2-btn.is-danger {
  color: #A85B47;
  border-color: #A85B47;
}
.lv2-btn.is-danger:hover {
  background: rgba(168,91,71,.08);
}
.lv2-btn.is-ghost {
  background: transparent;
}
.lv2-btn[disabled] {
  opacity: .5; cursor: not-allowed; transform: none;
}
.lv2-dirty-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #C28A2E;
  margin-right: .35rem;
}

/* ── Editor — top metadata + audio panel ─────────────────────── */
.lv2-meta-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.4rem;
  padding: 1.2rem 1.3rem;
  background: var(--card, #fff);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 12px;
}
.lv2-meta-card.lv2-meta-card-single {
  grid-template-columns: 1fr;
}
.lv2-field {
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.lv2-field label {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute, #6B5E4A);
}
.lv2-field input[type="text"],
.lv2-field input[type="number"],
.lv2-field select,
.lv2-field textarea {
  padding: .55rem .7rem;
  background: var(--bg, #FFFDF4);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 8px;
  font: inherit;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .95rem;
  color: var(--ink, #1F1812);
  transition: border-color .15s, box-shadow .15s;
}
.lv2-field textarea {
  min-height: 4em;
  resize: vertical;
  line-height: 1.45;
}
.lv2-field input:focus,
.lv2-field select:focus,
.lv2-field textarea:focus {
  outline: none;
  border-color: var(--accent-warm, #B57A2E);
  box-shadow: 0 0 0 3px rgba(181,122,46,.16);
}
.lv2-field-row {
  display: flex;
  gap: .55rem;
  flex-wrap: wrap;
  align-items: center;
}
.lv2-help {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .8rem;
  color: var(--ink-mute, #6B5E4A);
  line-height: 1.4;
}

/* ── Audio panel (sticky player + waveform-ish bar) ──────────── */
.lv2-audio-card {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  padding: 1.1rem 1.3rem;
  background: var(--card, #fff);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 12px;
}
.lv2-audio-card.is-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .6rem;
  padding: 2.4rem 1.2rem;
  border-style: dashed;
  border-width: 2px;
  text-align: center;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.lv2-audio-card.is-empty:hover {
  background: var(--bg-tint, #F7F3E8);
  border-color: var(--accent-warm, #B57A2E);
}
.lv2-audio-card.is-empty.is-dragover {
  background: rgba(181,122,46,.10);
  border-color: var(--accent-warm, #B57A2E);
  transform: scale(1.005);
}
.lv2-audio-card.is-uploading {
  border-color: var(--accent-warm, #B57A2E);
}

.lv2-audio-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lv2-audio-row audio {
  flex: 1;
  height: 36px;
}
.lv2-audio-time {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: .9rem;
  color: var(--ink, #1F1812);
  background: var(--bg-tint, #F7F3E8);
  padding: .35rem .55rem;
  border-radius: 6px;
  letter-spacing: .04em;
  white-space: nowrap;
}
.lv2-audio-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .8rem;
  color: var(--ink-mute, #6B5E4A);
}
.lv2-audio-progress {
  width: 100%;
  height: 6px;
  background: var(--bg-tint, #F7F3E8);
  border-radius: 3px;
  overflow: hidden;
}
.lv2-audio-progress-fill {
  height: 100%;
  background: var(--accent-warm, #B57A2E);
  width: 0%;
  transition: width .2s;
}

/* ── Parts list ──────────────────────────────────────────────── */
.lv2-parts {
  display: flex;
  flex-direction: column;
  gap: .9rem;
}
.lv2-part {
  background: var(--card, #fff);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 12px;
  overflow: hidden;
}
.lv2-part-head {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1rem 1.2rem;
  cursor: pointer;
  user-select: none;
  background: var(--card, #fff);
  border-bottom: 1px solid transparent;
  transition: background .15s, border-color .15s;
}
.lv2-part.is-open > .lv2-part-head {
  border-bottom-color: var(--line, rgba(31,24,18,.14));
  background: var(--bg-tint, #F7F3E8);
}
.lv2-part-head:hover { background: var(--bg-tint, #F7F3E8); }
.lv2-part-num {
  flex-shrink: 0;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-warm, #B57A2E);
  color: #FFFDF4;
  border-radius: 8px;
  font-family: 'Source Serif 4', Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
}
.lv2-part-title {
  flex: 1;
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 500;
  font-size: 1.1rem;
  letter-spacing: -.005em;
  color: var(--ink, #1F1812);
}
.lv2-part-summary {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .85rem;
  color: var(--ink-mute, #6B5E4A);
}
.lv2-part-caret {
  transition: transform .2s;
  color: var(--ink-mute, #6B5E4A);
}
.lv2-part.is-open > .lv2-part-head .lv2-part-caret {
  transform: rotate(90deg);
}
.lv2-part-body {
  display: none;
  padding: 1rem 1.2rem 1.2rem;
  background: linear-gradient(180deg, var(--bg-tint, #F7F3E8) 0%, transparent 60px);
}
.lv2-part.is-open > .lv2-part-body { display: block; }

/* ── Block sub-card (inside a Part) ──────────────────────────── */
.lv2-blocks {
  display: flex;
  flex-direction: column;
  gap: .8rem;
}
.lv2-block {
  background: var(--card, #fff);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 10px;
  overflow: hidden;
}
.lv2-block-head {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: .75rem 1rem;
  background: var(--card, #fff);
  border-bottom: 1px solid var(--line-soft, rgba(31,24,18,.06));
  cursor: pointer;
  user-select: none;
}
.lv2-block-head:hover { background: var(--bg-tint, #F7F3E8); }
.lv2-block-num {
  flex-shrink: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent-warm, #B57A2E);
  background: rgba(181,122,46,.12);
  padding: .25rem .5rem;
  border-radius: 5px;
}
.lv2-block-title {
  flex: 1;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink, #1F1812);
}
.lv2-block-meta {
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: .78rem;
  color: var(--ink-mute, #6B5E4A);
}
.lv2-block-body {
  padding: 1rem 1.1rem 1.2rem;
}
.lv2-block-timing {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: .7rem;
  margin-bottom: .8rem;
}
.lv2-block-timing .lv2-field input { padding: .4rem .55rem; font-size: .9rem; }
.lv2-stamp-pair {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .35rem;
  align-items: end;
}
.lv2-stamp-btn {
  padding: .4rem .6rem;
  background: var(--bg-tint, #F7F3E8);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 6px;
  font: inherit;
  font-family: 'JetBrains Mono', monospace;
  font-size: .72rem;
  font-weight: 600;
  color: var(--accent-warm, #B57A2E);
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, border-color .15s;
}
.lv2-stamp-btn:hover {
  background: rgba(181,122,46,.10);
  border-color: var(--accent-warm, #B57A2E);
}

/* ── Element sub-sub-cards ───────────────────────────────────── */
.lv2-elements {
  display: flex;
  flex-direction: column;
  gap: .6rem;
  margin-top: .8rem;
}
.lv2-element {
  background: var(--bg, #FFFDF4);
  border: 1px solid var(--line-soft, rgba(31,24,18,.10));
  border-radius: 8px;
  overflow: hidden;
}
.lv2-element-head {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .85rem;
  background: var(--bg, #FFFDF4);
  border-bottom: 1px solid var(--line-soft, rgba(31,24,18,.06));
}
.lv2-element-type {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .2rem .45rem;
  border-radius: 4px;
}
.lv2-element-type.t-gap-fill   { background: rgba(63,110,122,.14); color: #2C5560; }
.lv2-element-type.t-mc-single  { background: rgba(74,107,122,.14); color: #2E5060; }
.lv2-element-type.t-mc-multi   { background: rgba(122,74,91,.14);  color: #5E3645; }
.lv2-element-type.t-matching   { background: rgba(122,139,74,.14); color: #4A5A2C; }
.lv2-element-range {
  font-family: 'JetBrains Mono', monospace;
  font-size: .78rem;
  color: var(--ink-mute, #6B5E4A);
}
.lv2-element-title {
  flex: 1;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .88rem;
  color: var(--ink-soft, #4A3F33);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lv2-element-body {
  padding: .85rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

/* Element-specific bits */
.lv2-options {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.lv2-option {
  display: grid;
  grid-template-columns: 32px 1fr auto auto;
  gap: .5rem;
  align-items: center;
  padding: .4rem .6rem;
  background: var(--card, #fff);
  border: 1px solid var(--line-soft, rgba(31,24,18,.08));
  border-radius: 6px;
}
.lv2-option-key {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  color: var(--accent-warm, #B57A2E);
}
.lv2-option input[type="text"] {
  padding: .35rem .5rem;
  border: 1px solid var(--line-soft, rgba(31,24,18,.10));
  border-radius: 5px;
  font-size: .9rem;
  background: var(--bg, #FFFDF4);
}
.lv2-option-correct {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .8rem;
  color: var(--ink-mute, #6B5E4A);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.lv2-option-correct input { cursor: pointer; }
.lv2-option.is-correct {
  background: rgba(79,122,74,.06);
  border-color: rgba(79,122,74,.30);
}
.lv2-option-remove {
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--ink-mute, #6B5E4A);
  border-radius: 4px;
}
.lv2-option-remove:hover {
  background: rgba(168,91,71,.10);
  color: #A85B47;
}

/* Matching item rows */
.lv2-matching {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.lv2-matching-col h5 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-mute, #6B5E4A);
  margin: 0 0 .4rem;
}
.lv2-matching-item {
  display: grid;
  grid-template-columns: 36px 1fr auto auto;
  gap: .4rem;
  align-items: center;
  padding: .35rem .55rem;
  background: var(--card, #fff);
  border: 1px solid var(--line-soft, rgba(31,24,18,.08));
  border-radius: 6px;
  margin-bottom: .3rem;
}
.lv2-matching-item input[type="text"] {
  padding: .3rem .45rem;
  border: 1px solid var(--line-soft, rgba(31,24,18,.10));
  border-radius: 5px;
  font-size: .9rem;
  background: var(--bg, #FFFDF4);
}
.lv2-matching-item select {
  padding: .3rem .4rem;
  border: 1px solid var(--line-soft, rgba(31,24,18,.10));
  border-radius: 5px;
  font-size: .85rem;
  background: var(--bg, #FFFDF4);
}

/* Gap-fill template + answer rows */
.lv2-template {
  width: 100%;
  min-height: 7em;
  padding: .65rem .8rem;
  background: var(--bg, #FFFDF4);
  border: 1px solid var(--line, rgba(31,24,18,.14));
  border-radius: 8px;
  font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
  font-size: .92rem;
  line-height: 1.55;
  color: var(--ink, #1F1812);
  resize: vertical;
}
.lv2-gap-answers {
  display: flex;
  flex-direction: column;
  gap: .35rem;
}
.lv2-gap-answer {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: .5rem;
  align-items: center;
}
.lv2-gap-answer-num {
  display: flex; align-items: center; justify-content: center;
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  color: var(--accent-warm, #B57A2E);
  background: rgba(181,122,46,.10);
  border-radius: 6px;
  padding: .35rem 0;
}
.lv2-gap-answer input {
  padding: .4rem .55rem;
  border: 1px solid var(--line-soft, rgba(31,24,18,.10));
  border-radius: 5px;
  font-size: .9rem;
  background: var(--bg, #FFFDF4);
}

/* ── Action rows ─────────────────────────────────────────────── */
.lv2-add-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: .8rem;
}
.lv2-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin: 1.4rem 0 .7rem;
}
.lv2-section-header h3 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 500;
  font-size: 1.15rem;
  margin: 0;
  color: var(--ink, #1F1812);
}

/* ── Toast for save/error ────────────────────────────────────── */
.lv2-toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  padding: .8rem 1.1rem;
  background: var(--ink, #1F1812);
  color: #FFFDF4;
  border-radius: 8px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: .9rem;
  box-shadow: 0 12px 28px -10px rgba(0,0,0,.5);
  animation: lv2-toast-in .2s ease-out;
}
.lv2-toast.is-error  { background: #A85B47; }
.lv2-toast.is-ok     { background: #4F7A4A; }
@keyframes lv2-toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 880px) {
  .lv2-meta-card { grid-template-columns: 1fr; }
  .lv2-block-timing { grid-template-columns: 1fr 1fr; }
  .lv2-matching { grid-template-columns: 1fr; }
}