/* Base styles: clean, readable, good on phones. Change colours in :root. */
:root {
  --brand: #2f5bd8;
  --brand-ink: #ffffff;
  --text: #1c2230;
  --muted: #5d6676;
  --bg: #f6f7f9;
  --card: #ffffff;
  --border: #e3e6eb;
  --danger: #b42318;
  --ok: #157f3b;
  --radius: 10px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.5; }
a { color: var(--brand); }
header.site { background: var(--card); border-bottom: 1px solid var(--border); }
header.site .inner, main { max-width: 960px; margin: 0 auto; padding: 16px; }
header.site .inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
header.site .brand { font-weight: 700; font-size: 1.15rem; color: var(--text); text-decoration: none; }
nav a { margin-left: 14px; text-decoration: none; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin: 16px 0; }
.btn { display: inline-block; background: var(--brand); color: var(--brand-ink); border: 0; border-radius: 8px; padding: 10px 16px; font-size: 1rem; cursor: pointer; text-decoration: none; }
.btn.secondary { background: transparent; color: var(--brand); border: 1px solid var(--border); }
label { display: block; font-weight: 600; margin: 12px 0 4px; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; font: inherit; background: #fff; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.flash { padding: 12px 16px; border-radius: 8px; margin: 12px 0; }
.flash.ok { background: #e8f6ee; color: var(--ok); }
.flash.error { background: #fdecea; color: var(--danger); }
.muted { color: var(--muted); }
@media (max-width: 600px) { nav a { margin: 0 12px 0 0; } th, td { padding: 8px 4px; } }