/* Brand tokens match TLS Learn (tls-learn/src/styles/global.css). */
:root {
  --bg: #f2f0eb;
  --surface: #faf9f6;
  --surface-2: #e9e6df;
  --text: #0d0d0d;
  --muted: #55524b;
  --border: #d9d5cc;
  --accent: #10b981;
  --accent-text: #047857;
  --accent-soft: #d6f2e6;
  --on-accent: #04261a;
  --warn-bg: #fdf3d7;
  --warn-text: #6b4e00;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #080808;
    --surface: #121212;
    --surface-2: #1c1c1c;
    --text: #f2f0eb;
    --muted: #a8a49b;
    --border: #2c2c2c;
    --accent-text: #34d399;
    --accent-soft: #0b2e22;
    --warn-bg: #2e2508;
    --warn-text: #f3d67a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 18px/1.65 Inter, ui-sans-serif, system-ui, sans-serif;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
a { color: var(--accent-text); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px;
}

.site-header { border-bottom: 1px solid var(--border); }
.site-header .wrap { min-height: 56px; display: flex; align-items: center; }
.brand { color: var(--text); font-weight: 700; text-decoration: none; }
.site-header .wrap { justify-content: space-between; }
.nav { display: flex; gap: 4px; }
.nav a { min-height: 44px; display: inline-flex; align-items: center; padding: 0 10px; font-weight: 600; text-decoration: none; }
.tools { display: flex; flex-wrap: wrap; gap: 0 18px; margin-top: 6px; border-top: 1px solid var(--border); }
.tools .btn { padding: 8px 0; min-height: 44px; }

h1 { font: 600 2rem/1.2 "Source Serif 4", ui-serif, Georgia, serif; margin: 32px 0 8px; }
h2 { font-size: 1.15rem; margin: 0 0 8px; }
.lede { color: var(--muted); margin: 0 0 24px; }
.lede strong { color: var(--text); }

.label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 6px; }
input, select {
  width: 100%; min-height: 48px; padding: 10px 14px;
  font: inherit; font-size: 1rem; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
}
input::placeholder { color: var(--muted); opacity: 0.8; }
.search-row { display: flex; gap: 8px; }
.search-row input { flex: 1; min-width: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 10px 18px; border-radius: 10px;
  font: inherit; font-size: 1rem; font-weight: 600; text-decoration: none; cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { filter: brightness(0.95); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); width: 100%; margin: 8px 0 32px; }
.btn-quiet { background: none; color: var(--accent-text); padding-left: 0; }

.filters { margin-top: 12px; }
.filters summary {
  min-height: 44px; display: inline-flex; align-items: center;
  cursor: pointer; font-weight: 600; color: var(--accent-text);
}
.filter-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 8px; }
@media (max-width: 520px) { .filter-grid { grid-template-columns: 1fr; } }

.status { color: var(--muted); min-height: 1.6em; margin: 20px 0 8px; }
.status.error { color: var(--warn-text); background: var(--warn-bg); padding: 10px 14px; border-radius: 10px; }

.results { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 18px;
}
.card .title {
  font: 600 1.1rem/1.4 "Source Serif 4", ui-serif, Georgia, serif;
  margin: 0 0 6px; overflow-wrap: anywhere;
}
.cites { margin: 0 0 10px; display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-size: 0.85rem; font-weight: 600; padding: 2px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-text);
}
.chip.plain { background: var(--surface-2); color: var(--text); font-weight: 500; }
.meta { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; margin: 0 0 14px; font-size: 0.95rem; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; }
.langs summary { min-height: 44px; display: flex; align-items: center; cursor: pointer; color: var(--accent-text); font-weight: 600; }
.lang-links { display: flex; flex-wrap: wrap; gap: 4px 16px; padding-bottom: 6px; }
.lang-links a { min-height: 44px; display: inline-flex; align-items: center; }
mark { background: var(--accent-soft); color: inherit; border-radius: 3px; padding: 0 2px; }

.help { margin: 24px 0 40px; padding: 18px; border: 1px dashed var(--border); border-radius: 14px; }
.help ul { padding-left: 20px; margin: 0 0 12px; }
.help li { margin-bottom: 6px; }
.help p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 0.9rem; padding: 20px 0 40px; }
.site-footer p { margin: 0 0 10px; }
.site-footer strong { color: var(--text); }