:root {
  color-scheme: light dark;
  --bg: #f6f7fb;
  --surface: #ffffff;
  --text: #1f2430;
  --muted: #5a6475;
  --accent: #355dff;
  --code-bg: #cdd7ed;
  --code-text: #e6edf3;
  --border: #dde3f0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --surface: #171b24;
    --text: #ebf0ff;
    --muted: #afb8d4;
    --accent: #8da3ff;
    --code-bg: #0a0d13;
    --code-text: #dce5ff;
    --border: #2a3244;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  background: var(--bg);
  color: var(--text);
}

.post-layout {
  max-width: 1000px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

.post {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.post-header {
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
}

h1,
h2 {
  line-height: 1.3;
}

h1 {
  margin: 0;
  font-size: clamp(1.75rem, 4.5vw, 2.5rem);
}

h2 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
}

.subtitle,
.meta,
.caption {
  color: var(--muted);
}

.subtitle {
  margin: 0.45rem 0 0.25rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: 0.95rem;
  margin: 0;
}

.section + .section {
  margin-top: 1.25rem;
}

p {
  margin: 0.5rem 0;
}

audio {
  width: 100%;
  margin-top: 0.4rem;
}

.sample-comparisons {
  margin-top: 0.75rem;
  display: grid;
  gap: 1rem;
}

.sample-section {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem;
  background: var(--surface);
}

.sample-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 0.6rem;
  cursor: pointer;
  list-style: none;
}

.sample-summary::-webkit-details-marker {
  display: none;
}

.sample-summary::before {
  content: "";
  flex: 0 0 auto;
  width: 0;
  height: 0;
  border-left: 6px solid var(--muted);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform 0.15s ease;
}

.sample-section[open] > .sample-summary::before {
  transform: rotate(90deg);
}

.sample-summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.sample-title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
}

.sample-filename {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  overflow-wrap: anywhere;
}

.sample-player {
  margin-top: 0.65rem;
}

.transcript-compare-grid {
  margin-top: 0.65rem;
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.transcript-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  background: var(--surface);
}

.transcript-card-title {
  margin: 0;
  font-size: 0.98rem;
}

.transcript-card--granite .transcript-card-title {
  color: #4b5cc4;
}

.transcript-card--whisperx .transcript-card-title {
  color: #0b7a62;
}

.transcript-meta,
.transcript-source,
.transcript-fallback-note {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.transcript-content {
  margin-top: 0.45rem;
}

.transcript-line {
  margin: 0.4rem 0;
}

.speaker-tag {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.transcript-word {
  position: relative;
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}

.transcript-word:hover,
.transcript-word:focus-visible {
  border-bottom-style: solid;
}

.transcript-word[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  padding: 4px 8px;
  border-radius: 4px;
  background: #1f2933;
  color: #fff;
  font-size: 0.75rem;
  line-height: 1;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
}

.transcript-word[data-tooltip]:hover::after,
.transcript-word[data-tooltip]:focus-visible::after {
  opacity: 1;
  visibility: visible;
}

.transcript-word--fallback {
  opacity: 0.8;
}

a {
  color: var(--accent);
}

a:hover,
a:focus-visible {
  text-decoration-thickness: 2px;
}

pre {
  overflow-x: auto;
  background: var(--code-bg);
  color: var(--code-text);
  border-radius: 8px;
  padding: 1rem;
  border: none;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
}

pre code {
  font-size: 0.84rem;
  line-height: 1.5;
}

pre code.hljs {
  background: transparent;
  padding: 0;
}