/* AI Compliance Radar - restrained, conventional, accessible.
   Floors: 17px body, 4.5:1 contrast minimum, no color-only status, 44px targets. */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #1c2733;        /* 13.9:1 on white */
  --muted: #4c5b6b;      /* 7.4:1 on white */
  --accent: #1f4e8c;     /* 7.8:1 on white */
  --accent-ink: #163a69;
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #d9e0e7;
  --chip-soft: #e8eef7;
  --chip-warm: #f6efe2;
  --chip-green: #e9f2ea;
  --green: #1e6b38;      /* 6.4:1 */
  --amber: #8a5a00;      /* 5.5:1 */
  --red: #9c2312;        /* 7.0:1 */
}

html { font-size: 17px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { background: var(--card); border-bottom: 1px solid var(--border); padding: 36px 0 0; }
.kicker { color: var(--muted); font-size: 0.88rem; letter-spacing: 0.04em; text-transform: uppercase; }
.kicker a { color: inherit; text-decoration: underline; }
h1 { font-size: 2rem; margin: 6px 0 10px; letter-spacing: -0.01em; }
.lede { color: var(--muted); max-width: 50em; margin-bottom: 22px; }

.tabs { display: flex; gap: 2px; flex-wrap: wrap; }
.tab {
  font: inherit; font-size: 0.95rem; font-weight: 600; text-decoration: none;
  color: var(--muted); background: none; border: none;
  border-bottom: 3px solid transparent;
  padding: 12px 14px; min-height: 44px; display: inline-flex; align-items: center;
}
.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--accent-ink); border-bottom-color: var(--accent); }
.tab:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

main { padding: 30px 0 48px; }
.view > h2, main > .wrap > h2 { font-size: 1.35rem; margin-bottom: 6px; }
.section-note { color: var(--muted); margin-bottom: 20px; max-width: 54em; }
.section-block { margin-bottom: 40px; }
.section-block > h2 { font-size: 1.3rem; margin-bottom: 4px; }
.section-block > h3 { font-size: 1.1rem; margin: 18px 0 10px; }

/* Controls */
.controls { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
#search {
  font: inherit; padding: 10px 14px; min-height: 44px; width: min(340px, 100%);
  border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--ink);
}
#search:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.chip-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.chip-btn {
  font: inherit; font-size: 0.88rem; font-weight: 600;
  padding: 8px 14px; min-height: 44px;
  border: 1px solid var(--border); border-radius: 999px;
  background: var(--card); color: var(--muted); cursor: pointer;
}
.chip-btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip-btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.select-row { display: flex; gap: 10px; flex-wrap: wrap; }
.select-row label { display: flex; align-items: center; gap: 6px; font-size: 0.88rem; font-weight: 600; color: var(--muted); }
.select-row select {
  font: inherit; font-size: 0.92rem; min-height: 44px; padding: 6px 10px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--ink);
}
.select-row select:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.count-line { color: var(--muted); font-size: 0.88rem; margin: 6px 0 18px; }
.count-line button { font: inherit; font-size: 0.88rem; color: var(--accent-ink); background: none; border: none; text-decoration: underline; cursor: pointer; padding: 4px; }

/* Cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; display: flex; flex-direction: column; gap: 10px;
}
.card.is-target { outline: 3px solid var(--accent); }
.card h3 { font-size: 1.05rem; line-height: 1.35; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { text-decoration: underline; }
.chiprow { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-block; font-size: 0.82rem; font-weight: 700;
  padding: 3px 10px; border-radius: 999px; color: var(--ink);
  background: var(--chip-soft); width: fit-content;
}
.chip.status-in-force { background: var(--chip-green); }
.chip.status-coming { background: var(--chip-warm); }
.chip.kind { background: var(--bg); border: 1px solid var(--border); font-weight: 600; }
.card .summary { font-size: 0.95rem; }
.card details { font-size: 0.92rem; }
.card details summary {
  cursor: pointer; font-weight: 700; font-size: 0.82rem; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--accent-ink); padding: 6px 0; min-height: 32px;
}
.card details summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.card details ul { padding-left: 20px; display: flex; flex-direction: column; gap: 5px; margin-top: 4px; }
.meta-line { font-size: 0.88rem; color: var(--muted); }
.meta-line strong { color: var(--ink); }
.wi-note { font-size: 0.92rem; border-left: 3px solid var(--accent); padding-left: 10px; }
.sources { margin-top: auto; padding-top: 6px; font-size: 0.85rem; }
.sources a { color: var(--accent-ink); text-decoration: underline; margin-right: 12px; }
.sources a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.related-line { font-size: 0.85rem; }
.related-line a { color: var(--accent-ink); text-decoration: underline; margin-right: 10px; }

/* Timeline */
.quarter { margin-bottom: 30px; }
.quarter > h3 { font-size: 1.1rem; margin-bottom: 12px; }
.deadline-row {
  display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 14px 18px; margin-bottom: 10px;
}
.deadline-date { font-weight: 800; font-size: 0.95rem; white-space: nowrap; }
.deadline-what { flex: 1; min-width: 260px; font-size: 0.95rem; }
.deadline-what a { color: var(--accent-ink); }

/* Changelog */
.week-block { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 16px; }
.week-block h3 { font-size: 1.05rem; margin-bottom: 10px; }
.week-block ul { padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.badge { font-size: 0.78rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.04em; padding: 2px 8px; border-radius: 999px; margin-right: 6px; }
.badge.new { background: var(--chip-green); color: var(--green); }
.badge.changed { background: var(--chip-warm); color: var(--amber); }
.badge.retired { background: #f3e2e0; color: var(--red); }

/* Ask */
.ask-box { max-width: 46em; }
.ask-form { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0 20px; }
.ask-form input {
  font: inherit; flex: 1; min-width: 240px; padding: 10px 14px; min-height: 44px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--card);
}
.ask-form input:focus-visible { outline: 3px solid var(--accent); outline-offset: 1px; }
.btn {
  font: inherit; font-weight: 700; font-size: 1rem;
  background: var(--accent); color: #fff; border: none; border-radius: 8px;
  padding: 12px 22px; min-height: 44px; cursor: pointer;
}
.btn:hover { background: var(--accent-ink); }
.btn:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 2px; }
.answer { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; }
.answer .sources { margin-top: 12px; }

/* Prose pages */
.prose { max-width: 52em; }
.prose h2 { font-size: 1.3rem; margin: 26px 0 8px; }
.prose p, .prose li { margin-bottom: 10px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose a { color: var(--accent-ink); text-decoration: underline; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 22px 0; background: var(--card); }
.site-footer p { color: var(--muted); font-size: 0.85rem; max-width: 62em; }
.site-footer p.fine { margin-top: 6px; }
.site-footer a { color: var(--accent-ink); }

@media (prefers-reduced-motion: no-preference) {
  .tab, .chip-btn, .btn { transition: background-color 120ms ease, color 120ms ease; }
}

@media print {
  .tabs, .controls, .ask-form { display: none; }
  body { background: #fff; }
  .card, .deadline-row, .week-block { break-inside: avoid; }
}