/* Rex Change — palette navy / gold, sobre, moderne */
:root {
  --navy: #1d2a4a;
  --navy-2: #28395f;
  --gold: #c9a14a;
  --gold-2: #b08a36;
  --bg: #f6f4ef;
  --card: #ffffff;
  --text: #1c1f2a;
  --muted: #6b7280;
  --border: #e3dfd2;
  --ok: #2f7d4f;
  --err: #b94a48;
  --row-zebra: #faf8f2;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* Topbar */
.topbar { background: var(--navy); color: #fff; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; }
.brand { text-decoration: none; color: #fff; display: flex; flex-direction: column; line-height: 1.1; }
.brand-rex { font-weight: 700; letter-spacing: 0.12em; color: var(--gold); font-size: 16px; }
.brand-sub { font-size: 11px; opacity: 0.85; letter-spacing: 0.08em; text-transform: uppercase; }
.topnav a { color: #fff; text-decoration: none; padding: 6px 10px; border-radius: 4px; font-size: 13px; }
.topnav a:hover { background: var(--navy-2); }

/* Hero / page heads */
.hero, .page-head { padding: 28px 0 18px; }
.hero h1, .page-head h1 { margin: 0 0 6px; color: var(--navy); font-size: 22px; letter-spacing: 0.02em; }
.lede { color: var(--muted); margin: 0; font-size: 13.5px; }

.link-btn {
  background: none; border: 1px solid var(--border); color: var(--navy);
  padding: 2px 10px; border-radius: 4px; font-size: 12px; cursor: pointer; margin-left: 8px;
}
.link-btn:hover { background: var(--navy); color: #fff; border-color: var(--navy); }

/* Cards */
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 6px;
  padding: 16px 18px; margin: 0 0 18px;
}
.card > h2 {
  font-size: 14px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--navy); margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border);
}

/* Tableau de cours */
.table-wrap { overflow-x: auto; }
table.cours { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.cours th, table.cours td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: right; }
table.cours th { background: var(--navy); color: #fff; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
table.cours th:first-child, table.cours td.name { text-align: left; }
table.cours td.name { font-weight: 600; color: var(--navy); }
table.cours td.sym { text-align: left; color: var(--muted); font-size: 12px; }
table.cours tr:nth-child(even) td { background: var(--row-zebra); }
table.cours td.price.stale { color: var(--muted); }
table.cours td.price.updated { animation: flash 0.6s ease-out; }
@keyframes flash {
  0% { background: #fff4d6; }
  100% { background: transparent; }
}

/* Calc grid */
.calc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-bottom: 24px; }
@media (max-width: 820px) { .calc-grid { grid-template-columns: 1fr; } }

.calc header { display: flex; flex-direction: column; gap: 2px; margin: -2px 0 12px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.badge {
  display: inline-block; background: var(--gold); color: #fff; padding: 3px 10px;
  font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700;
  border-radius: 3px; align-self: flex-start;
}
.badge-sub { font-size: 12px; color: var(--muted); }

.calc .row { display: grid; grid-template-columns: 160px 1fr; gap: 10px; align-items: center; padding: 5px 0; }
.calc label { color: var(--muted); font-size: 12.5px; }
.calc input, .calc select, .calc output {
  font: inherit; font-variant-numeric: tabular-nums;
  padding: 6px 8px; border: 1px solid var(--border); border-radius: 4px; background: #fff;
  text-align: right; min-width: 0; width: 100%;
}
.calc select { text-align: left; }
.calc output { background: #fafafa; color: var(--text); }
.calc .row.result label { color: var(--navy); font-weight: 600; font-size: 13px; }
.calc .row.result output {
  background: #f1ead7; border-color: var(--gold-2); color: var(--navy);
  font-weight: 700; font-size: 15px;
}
.calc .hint { color: var(--muted); font-size: 11.5px; margin: 8px 0 0; font-style: italic; }

/* Tool grid (index) */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; margin-bottom: 24px; }
.tool-card {
  display: block; background: var(--card); border: 1px solid var(--border); border-radius: 6px;
  padding: 20px; text-decoration: none; color: var(--text); transition: border-color 0.15s, transform 0.15s;
}
.tool-card:hover { border-color: var(--gold); transform: translateY(-1px); }
.tool-card h2 { margin: 0 0 6px; color: var(--navy); font-size: 16px; }
.tool-card p { margin: 0; color: var(--muted); font-size: 13px; }

/* Status pill */
#status.ok { color: var(--ok); font-weight: 600; }
#status.err { color: var(--err); font-weight: 600; }
#status.loading { color: var(--muted); font-style: italic; }

/* Footer */
.footer { color: var(--muted); font-size: 12px; padding: 24px 0; text-align: center; border-top: 1px solid var(--border); margin-top: 12px; }