:root {
  color-scheme: light;
  --bg: #f4efe6;
  --bg-accent: #efe4d3;
  --ink: #1f2521;
  --muted: #5d685f;
  --card: rgba(255, 251, 245, 0.92);
  --line: rgba(54, 63, 57, 0.12);
  --primary: #1b7f5b;
  --primary-strong: #146347;
  --accent: #c56238;
  --shadow: 0 18px 45px rgba(42, 44, 31, 0.12);
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(197, 98, 56, 0.16), transparent 35%),
    radial-gradient(circle at top right, rgba(27, 127, 91, 0.14), transparent 28%),
    linear-gradient(180deg, var(--bg-accent), var(--bg));
}

button,
input,
select {
  font: inherit;
  touch-action: manipulation;
}

.page-shell {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 28px 0 calc(40px + env(safe-area-inset-bottom, 0px));
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  font-weight: 700;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.95;
}

.hero-copy {
  width: min(700px, 100%);
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.6;
}

.hero-signature {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.platform-mark-icon {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  box-shadow: 0 6px 14px rgba(255, 45, 85, 0.16);
  flex: 0 0 auto;
}

.hero-handle {
  color: color-mix(in srgb, var(--muted) 84%, white 16%);
  font-size: 0.84rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color 160ms ease, opacity 160ms ease;
}

.hero-handle:hover,
.hero-handle:focus-visible {
  color: var(--primary-strong);
  opacity: 0.9;
}

.hero-handle:focus-visible {
  outline: 2px solid rgba(27, 127, 91, 0.28);
  outline-offset: 4px;
  border-radius: 6px;
}

.hero-chip {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(197, 98, 56, 0.18);
  box-shadow: var(--shadow);
  white-space: nowrap;
  font-weight: 700;
}

.layout {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.input-card,
.player-card,
.transcript-card,
.adjust-card {
  padding: 22px;
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.card-title-row h2,
.subcard h3 {
  margin: 0;
}

.player-card h2,
.transcript-card h2,
.adjust-card h2 {
  overflow-wrap: anywhere;
}

.inline-setting {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}

.header-actions .ghost-button,
.header-actions .primary-button {
  margin-top: 0;
}

.workspace-setting {
  gap: 10px;
  white-space: nowrap;
}

.workspace-setting select {
  width: auto;
  min-width: 92px;
  margin-top: 0;
}

.inline-setting select,
.subcard input,
.adjust-card input {
  width: 100%;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(31, 37, 33, 0.12);
  background: rgba(255, 255, 255, 0.95);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.subcard {
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(31, 37, 33, 0.08);
}

.subcopy {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.option-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.option-toggle input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--primary);
}

.bilibili-guide {
  margin-top: 16px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(27, 127, 91, 0.08);
  border: 1px solid rgba(27, 127, 91, 0.14);
}

.bilibili-guide strong {
  display: block;
  font-size: 0.98rem;
}

.bilibili-guide p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.guide-actions .ghost-button,
.guide-actions .primary-button,
.guide-actions .link-button {
  margin-top: 0;
}

.primary-button,
.ghost-button,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.primary-button {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  font-weight: 700;
}

.ghost-button {
  background: rgba(27, 127, 91, 0.08);
  color: var(--primary-strong);
  font-weight: 700;
}

.link-button {
  text-decoration: none;
}

.primary-button:hover,
.ghost-button:hover,
.link-button:hover {
  transform: translateY(-1px);
}

.primary-button:disabled,
.ghost-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

.status-banner {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(197, 98, 56, 0.08);
  border: 1px solid rgba(197, 98, 56, 0.16);
  line-height: 1.55;
}

.status-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.status-percent {
  flex-shrink: 0;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.status-progress {
  margin-top: 10px;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(31, 37, 33, 0.09);
}

.status-progress-fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  transition: width 0.35s ease;
}

.status-banner.error {
  background: rgba(176, 45, 45, 0.1);
  border-color: rgba(176, 45, 45, 0.2);
}

.status-banner.error .status-progress-fill {
  background: linear-gradient(90deg, #b03030, #d46a6a);
}

.status-banner.success {
  background: rgba(27, 127, 91, 0.1);
  border-color: rgba(27, 127, 91, 0.18);
}

.status-banner.success .status-percent {
  color: var(--primary-strong);
}

.status-banner.success .status-progress-fill {
  background: linear-gradient(90deg, var(--primary), var(--primary-strong));
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(280px, 0.9fr);
  gap: 18px;
  align-items: start;
  scroll-margin-top: 18px;
}

.hidden {
  display: none !important;
}

.media-stage {
  margin-top: 18px;
}

.media-player,
.audio-player,
.recording-player {
  width: 100%;
  border-radius: var(--radius-md);
  display: block;
}

.media-player,
.audio-player {
  background: #000;
}

.media-player {
  aspect-ratio: 16 / 9;
  max-height: min(54vh, 520px);
  object-fit: contain;
}

.audio-player {
  margin-top: 0;
  margin-bottom: 4px;
}

.recording-player {
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.92);
}

.source-badge {
  display: inline-block;
  margin: 0 0 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(27, 127, 91, 0.1);
  color: var(--primary-strong);
  font-size: 0.86rem;
  font-weight: 700;
}

.player-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.player-meta > div {
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 37, 33, 0.08);
}

.meta-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.88rem;
}

.progress-wrap {
  margin-top: 20px;
}

.progress-wrap label {
  display: inline-block;
  margin-bottom: 8px;
  font-weight: 700;
}

.progress-wrap input[type="range"] {
  width: 100%;
  touch-action: pan-y;
}

.progress-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 18px;
}

.control-row button {
  margin-top: 0;
}

.control-row button,
.recording-actions button,
.recording-actions .link-button,
.recording-analysis-actions .ghost-button,
#resegmentButton {
  min-height: 48px;
}

.loop-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  color: var(--muted);
  font-weight: 600;
}

.recording-panel {
  margin-top: 20px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(31, 37, 33, 0.08);
}

.recording-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.recording-header h3 {
  margin: 0;
}

.recording-header .subcopy {
  margin-top: 8px;
}

.recording-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(31, 37, 33, 0.06);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
}

.recording-badge.recording {
  background: rgba(197, 98, 56, 0.16);
  color: var(--accent);
}

.recording-badge.ready {
  background: rgba(27, 127, 91, 0.12);
  color: var(--primary-strong);
}

.recording-badge.error {
  background: rgba(176, 45, 45, 0.12);
  color: #8b2020;
}

.recording-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.recording-actions button,
.recording-actions .link-button {
  margin-top: 0;
}

.recording-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.recording-meta .meta-label {
  margin-bottom: 0;
}

.recording-analysis-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

.recording-analysis-actions .ghost-button {
  margin-top: 0;
}

.analysis-status {
  color: var(--muted);
  font-size: 0.92rem;
}

.analysis-status.loading {
  color: var(--accent);
}

.analysis-status.ready {
  color: var(--primary-strong);
}

.analysis-status.error {
  color: #8b2020;
}

.recording-analysis {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(31, 37, 33, 0.08);
}

.analysis-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.analysis-summary > div,
.comparison-card {
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 37, 33, 0.08);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.comparison-text {
  min-height: 108px;
  margin-top: 10px;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-word;
}

.comparison-part {
  border-radius: 8px;
  padding: 0 1px;
}

.comparison-part.missing {
  background: rgba(197, 98, 56, 0.18);
  color: #9a4a26;
}

.comparison-part.extra {
  background: rgba(176, 45, 45, 0.12);
  color: #8b2020;
}

.side-column {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.transcript-box {
  min-height: 280px;
  max-height: 420px;
  margin-top: 14px;
  padding: 16px;
  overflow: auto;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(31, 37, 33, 0.08);
  line-height: 1.7;
  white-space: pre-wrap;
  font-size: 1rem;
}

.adjust-card label {
  display: block;
  margin-top: 14px;
  font-weight: 700;
}

@media (max-width: 920px) {
  .page-shell {
    width: min(100vw - 24px, 1180px);
    padding: 20px 0 calc(28px + env(safe-area-inset-bottom, 0px));
  }

  .hero {
    flex-direction: column;
    gap: 12px;
  }

  .hero-chip {
    align-self: flex-start;
  }

  .form-grid,
  .workspace,
  .player-meta {
    grid-template-columns: 1fr;
  }

  .card-title-row {
    align-items: flex-start;
  }

  .player-card,
  .input-card,
  .transcript-card,
  .adjust-card {
    padding: 18px;
  }

  .media-player {
    max-height: min(34svh, 320px);
  }

  .control-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .control-row button,
  .recording-actions button,
  .recording-actions .link-button,
  .recording-analysis-actions .ghost-button {
    width: 100%;
    margin-top: 0;
  }

  .loop-toggle {
    margin-left: 0;
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    background: rgba(27, 127, 91, 0.06);
  }

  .recording-header {
    flex-direction: column;
  }

  .recording-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .analysis-summary,
  .comparison-grid {
    grid-template-columns: 1fr;
  }

  .transcript-box {
    min-height: 220px;
    max-height: 320px;
  }
}

@media (max-width: 680px) {
  .hero h1 {
    line-height: 1.02;
  }

  .hero-copy {
    font-size: 0.95rem;
  }

  .card-title-row,
  .inline-setting,
  .option-toggle {
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .header-actions .ghost-button,
  .header-actions .primary-button {
    width: 100%;
  }

  .workspace-setting {
    white-space: normal;
  }

  .workspace-setting select {
    width: 100%;
    margin-top: 8px;
  }

  .card-title-row > button {
    width: 100%;
    margin-top: 0;
  }

  .control-row,
  .recording-meta,
  .recording-analysis-actions {
    grid-template-columns: 1fr;
    display: grid;
  }

  .recording-meta,
  .recording-analysis-actions {
    align-items: stretch;
  }

  .recording-badge {
    white-space: normal;
  }

  .status-banner,
  .recording-panel {
    padding-left: 14px;
    padding-right: 14px;
  }

  .status-line {
    align-items: flex-start;
    flex-direction: column;
  }
}