/**
 * 跟读台样式，只作用于 body.shadow-page。
 * 版式：固定顶部播放器 + 「当前句 / 跟读录音」两栏 + 可滚动句子列表。
 */

.shadow-page {
  --shadow-radius: 8px;
  --shadow-topbar: 64px;
}

/* --------------------------------------------------------- 顶部播放器 */

.shadow-player {
  position: sticky;
  top: var(--shadow-topbar);
  z-index: 30;
  width: min(1160px, calc(100% - 44px));
  margin: 18px auto 0;
  padding: 14px 18px;
  display: grid;
  gap: 10px;
  background: var(--forest-deep);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--shadow-radius);
  box-shadow: 0 12px 30px rgba(11, 17, 41, 0.24);
}

.shadow-player.is-recording {
  border-color: rgba(201, 90, 79, 0.75);
  box-shadow: 0 12px 30px rgba(201, 90, 79, 0.28);
}

.shadow-player-main {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
  align-items: center;
  gap: 12px;
}

.shadow-progress {
  color: #cfd3e3;
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.shadow-player-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.shadow-player .icon-button {
  min-width: 40px;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #e6e8f2;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
  border-radius: var(--shadow-radius);
}

.shadow-player .icon-button:hover {
  background: rgba(255, 255, 255, 0.16);
}

.shadow-player .icon-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentcolor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shadow-player .icon-button:disabled {
  opacity: 0.42;
  cursor: not-allowed;
}

.shadow-play-button {
  min-width: 148px;
  min-height: 44px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--forest-deep);
  background: linear-gradient(180deg, #f6d98a, var(--gold));
  border: 0;
  border-radius: var(--shadow-radius);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.shadow-play-button svg {
  width: 16px;
  height: 16px;
  fill: currentcolor;
  stroke: none;
}

.shadow-play-button.is-playing {
  color: #ffffff;
  background: linear-gradient(180deg, #d9695f, var(--coral));
}

.shadow-switch {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cfd3e3;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.shadow-switch input {
  width: 16px;
  height: 16px;
  accent-color: var(--gold);
}

.shadow-player-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: #a8aec4;
  font-size: 12px;
}

.shadow-source-meta {
  min-width: 0;
  overflow-wrap: anywhere;
}

.shadow-timer {
  flex: 0 0 auto;
  color: #e6e8f2;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

/* ----------------------------------------------------------- 主体两栏 */

.shadow-grid,
.shadow-lines-panel {
  width: min(1160px, calc(100% - 44px));
  margin: 18px auto 0;
}

.shadow-grid {
  display: grid;
  gap: 16px;
}

.shadow-script,
.shadow-record,
.shadow-lines-panel {
  padding: 18px 20px 20px;
  display: grid;
  gap: 12px;
  align-content: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--shadow-radius);
  box-shadow: 0 8px 24px rgba(12, 18, 43, 0.06);
}

.shadow-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.shadow-panel-head h2 {
  margin: 0;
  color: var(--forest-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
}

.shadow-panel-hint {
  color: var(--muted);
  font-size: 12px;
  text-align: right;
  overflow-wrap: anywhere;
}

.shadow-script-text {
  margin: 0;
  color: var(--forest-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.shadow-script-zh {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.shadow-focus {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.shadow-focus:empty {
  display: none;
}

.shadow-focus span {
  padding: 5px 9px;
  color: var(--forest);
  background: var(--forest-soft);
  border-radius: var(--shadow-radius);
  font-size: 12px;
  font-weight: 700;
}

.shadow-notes {
  display: grid;
  gap: 6px;
}

.shadow-notes:empty {
  display: none;
}

.shadow-notes p {
  margin: 0;
  padding-left: 12px;
  color: #4c5163;
  border-left: 2px solid var(--line-strong);
  font-size: 12px;
  line-height: 1.7;
}

/* ----------------------------------------------------------- 录音面板 */

.shadow-record-main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 14px;
}

.shadow-record-button {
  min-width: 148px;
  min-height: 52px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: #ffffff;
  background: var(--forest);
  border: 0;
  border-radius: var(--shadow-radius);
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.shadow-record-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentcolor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.shadow-record-button.is-recording {
  background: var(--coral);
  animation: shadow-pulse 1.4s ease-in-out infinite;
}

.shadow-record-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

@keyframes shadow-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(201, 90, 79, 0.45);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(201, 90, 79, 0);
  }
}

.shadow-record-side {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.shadow-record-timer {
  color: var(--forest-deep);
  font-size: 22px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.shadow-record-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.shadow-record-actions .compact-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.shadow-meter {
  display: flex;
  align-items: center;
  gap: 10px;
}

.shadow-meter-bar {
  min-width: 20px;
  height: 10px;
  flex: 0 0 auto;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--coral));
  border-radius: var(--shadow-radius);
  transition: width 0.12s linear;
}

.shadow-meter-text {
  color: var(--muted);
  font-size: 12px;
}

.shadow-result {
  display: grid;
  gap: 8px;
}

.shadow-result:empty {
  display: none;
}

.shadow-score {
  padding: 12px 14px;
  display: grid;
  gap: 8px;
  background: #f7f8f3;
  border: 1px solid var(--line);
  border-radius: var(--shadow-radius);
}

.shadow-score-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.shadow-score-value {
  color: var(--forest-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 26px;
  font-weight: 700;
}

.shadow-score-note {
  color: var(--muted);
  font-size: 12px;
}

.shadow-diff {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.shadow-diff span {
  padding: 1px 5px;
  border-radius: 5px;
  font-size: 13px;
}

.shadow-diff .is-hit {
  color: #1f6b4f;
  background: #e2f2e9;
}

.shadow-diff .is-miss {
  color: #a53f36;
  background: #fbe6e3;
  text-decoration: line-through;
}

.shadow-diff .is-extra {
  color: #8a6416;
  background: #fdf1d8;
  font-style: italic;
}

.shadow-heard {
  margin: 0;
  padding: 10px 12px;
  color: var(--ink);
  background: #eeeff5;
  border-left: 3px solid var(--forest);
  border-radius: var(--shadow-radius);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.shadow-heard strong {
  color: var(--muted);
  font-weight: 800;
}

.shadow-note-field {
  display: grid;
  gap: 7px;
}

.shadow-note-field span {
  color: #6e7281;
  font-size: 12px;
  font-weight: 800;
}

.shadow-note-field textarea {
  width: 100%;
  min-height: 62px;
  padding: 10px 12px;
  resize: vertical;
  color: var(--ink);
  background: #fbfbfc;
  border: 1px solid var(--line);
  border-radius: var(--shadow-radius);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.6;
}

.shadow-note-field textarea:focus {
  border-color: #757fa6;
  box-shadow: 0 0 0 3px rgba(77, 90, 143, 0.12);
  outline: 0;
}

/* ----------------------------------------------------------- 句子列表 */

.shadow-list {
  max-height: min(52vh, 600px);
  overflow: auto;
  padding: 4px;
  display: grid;
  gap: 6px;
  background: #fbfbfc;
  border: 1px solid var(--line);
  border-radius: var(--shadow-radius);
  overscroll-behavior: contain;
}

.shadow-list:focus-visible {
  border-color: #757fa6;
}

.shadow-line {
  width: 100%;
  padding: 9px 12px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  text-align: left;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--shadow-radius);
  cursor: pointer;
}

.shadow-line:hover {
  border-color: #8e94ad;
}

.shadow-line.is-current {
  background: #f2f3f8;
  border-color: var(--forest);
  box-shadow: inset 3px 0 0 var(--forest);
}

.shadow-line-index {
  padding-top: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.shadow-line-text {
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.shadow-line-badge {
  padding: 3px 8px;
  color: var(--muted);
  background: #eeeff3;
  border-radius: var(--shadow-radius);
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.shadow-line-badge[data-state="good"] {
  color: #1f6b4f;
  background: #e2f2e9;
}

.shadow-line-badge[data-state="fair"] {
  color: #8a6416;
  background: #fdf1d8;
}

.shadow-line-badge[data-state="weak"] {
  color: #a53f36;
  background: #fbe6e3;
}

.shadow-line-badge[data-state="recorded"] {
  color: #424e80;
  background: #e6e9f3;
}

/* --------------------------------------------------------- 借鉴声明 */

.shadow-page .kaoyan-attribution {
  width: min(1160px, calc(100% - 44px));
  margin: 22px auto 46px;
  padding: 22px 24px;
  display: grid;
  gap: 12px;
  background: #f7f8f3;
  border: 1px solid var(--line);
  border-radius: var(--shadow-radius);
}

.shadow-page .kaoyan-attribution h2 {
  margin: 0;
  color: var(--forest-deep);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 20px;
}

.shadow-page .kaoyan-attribution p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
}

.shadow-page .kaoyan-attribution ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 7px;
  color: #4c5163;
  font-size: 12px;
  line-height: 1.7;
}

.shadow-page .kaoyan-attribution a {
  color: var(--forest);
  font-weight: 800;
}

.shadow-page .kaoyan-attribution code {
  padding: 1px 5px;
  background: #e7e8ed;
  border-radius: 5px;
  font-size: 11px;
}

/* --------------------------------------------------------- 响应式 */

@media (min-width: 1024px) {
  .shadow-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (max-width: 900px) {
  .shadow-player,
  .shadow-grid,
  .shadow-lines-panel,
  .shadow-page .kaoyan-attribution {
    width: calc(100% - 32px);
  }
}

@media (max-width: 640px) {
  .shadow-page {
    --shadow-topbar: 58px;
  }

  .shadow-player {
    margin-top: 12px;
    padding: 12px 14px;
  }

  .shadow-player-main {
    grid-template-columns: minmax(0, 1fr);
    justify-items: stretch;
    gap: 10px;
  }

  .shadow-progress {
    order: -1;
  }

  .shadow-player-actions {
    justify-content: center;
  }

  .shadow-play-button {
    flex: 1 1 auto;
    min-width: 0;
  }

  .shadow-switch {
    justify-self: center;
  }

  .shadow-script,
  .shadow-record,
  .shadow-lines-panel {
    padding: 14px 14px 16px;
  }

  .shadow-script-text {
    font-size: 18px;
  }

  .shadow-record-main {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .shadow-record-button {
    width: 100%;
  }

  .shadow-record-side {
    justify-items: center;
  }

  .shadow-record-actions {
    justify-content: center;
  }

  .shadow-list {
    max-height: min(46vh, 440px);
  }

  .shadow-line {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .shadow-line-badge {
    grid-column: 2;
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .shadow-record-button.is-recording {
    animation: none;
  }

  .shadow-meter-bar {
    transition: none;
  }
}