:root {
  --bg: #f5f0e8;
  --panel: #fffdf9;
  --ink: #1f1a14;
  --muted: #6c6256;
  --line: #ded3c4;
  --accent: #b74d2c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 10%, #f8d9bd 0, transparent 45%),
    radial-gradient(circle at 90% 15%, #ead8b6 0, transparent 40%),
    var(--bg);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
}

.shell {
  width: min(960px, 100%);
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 16px;
  align-items: center;
  margin-bottom: 20px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
}

.eyebrow {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

#refresh {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
}

.actions {
  display: flex;
  gap: 8px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) 1fr;
  gap: 16px;
  align-items: start;
}

.items {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
  max-height: calc(100vh - 170px);
  overflow: auto;
}

.item {
  background: color-mix(in oklab, var(--panel) 92%, white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.item-button {
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0;
  display: grid;
  gap: 6px;
  cursor: pointer;
}

.title {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

.summary {
  margin: 0;
  color: var(--ink);
  line-height: 1.45;
}

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

.detail-panel {
  background: color-mix(in oklab, var(--panel) 95%, white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  min-height: 420px;
}

.detail-toolbar {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-end;
}

.detail-toolbar label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.detail-toolbar select,
.detail-toolbar button {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 10px;
  padding: 8px 10px;
}

.detail-panel h2 {
  margin: 14px 0 6px;
}

.bilingual {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.cell {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
  padding: 10px;
}

.line {
  margin: 0;
  line-height: 1.55;
}

.source-line {
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--accent) 35%, transparent);
  text-underline-offset: 0.18em;
}

.target-line {
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, #2d7f55 35%, transparent);
  text-underline-offset: 0.18em;
}

.placeholder {
  color: var(--muted);
}

.error {
  color: #9a1d1d;
}

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

  .items {
    max-height: none;
  }

  .row {
    grid-template-columns: 1fr;
  }
}