/* ============================================================
   SAS Alert — design tokens
   Navy + gold, matching the existing flight-match alert emails.
   Signature motif: departure-board typography for route codes.
   ============================================================ */
:root {
  --navy-900: #002855;
  --navy-700: #003082;
  --navy-600: #0a3d7a;
  --gold-500: #c8a850;
  --gold-300: #e0c988;
  --cream-50: #f8f6f1;
  --white: #ffffff;
  --ink-900: #14181f;
  --slate-600: #4b5563;
  --slate-400: #9ca3af;
  --slate-200: #e5e7eb;
  --slate-100: #f1f2f4;
  --amber-600: #e07b00;
  --red-600: #b91c1c;
  --green-700: #0d6b3f;
  --green-50: #eaf7f0;
  --red-50: #fdecec;
  --amber-50: #fdf3e5;

  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(0, 20, 50, 0.06), 0 1px 1px rgba(0, 20, 50, 0.04);
  --shadow-md: 0 6px 20px rgba(0, 20, 50, 0.08);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--cream-50);
  color: var(--ink-900);
  font-size: 15px;
  line-height: 1.55;
}

a { color: inherit; }

h1, h2, h3 { font-family: var(--font-display); font-weight: 700; margin: 0 0 8px; }

.route-code {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* ── Top bar ─────────────────────────────────────────────────── */
.topbar {
  background: var(--navy-900);
  border-bottom: 3px solid var(--gold-500);
}
.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.brand {
  font-family: var(--font-display);
  color: #fff;
  font-size: 19px;
  font-weight: 700;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 9px;
  letter-spacing: 0.01em;
}
.brand-mark {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--navy-900);
  background: var(--gold-500);
  padding: 3px 6px;
  border-radius: 4px;
  font-weight: 700;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 12px;
  border-radius: 6px;
  transition: color .15s ease, background .15s ease;
  white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-links a.active { color: var(--gold-300); }
.nav-links .divider { width: 1px; height: 18px; background: rgba(255,255,255,0.18); margin: 0 6px; }

/* ── Layout ──────────────────────────────────────────────────── */
.container { max-width: 1120px; margin: 0 auto; padding: 40px 24px 64px; }
.container-narrow { max-width: 480px; margin: 0 auto; padding: 64px 24px; }

.page-head { margin-bottom: 28px; }
.page-head .eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 11px;
  color: var(--gold-500);
  background: var(--navy-900);
  display: inline-block;
  padding: 4px 9px;
  border-radius: 4px;
  margin-bottom: 10px;
}
.page-head h1 { font-size: 28px; color: var(--navy-900); }
.page-head p.lede { color: var(--slate-600); margin: 6px 0 0; font-size: 14.5px; }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-pad { padding: 28px; }
.card + .card { margin-top: 20px; }

/* ── Forms ───────────────────────────────────────────────────── */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--navy-900);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.field .hint { font-size: 12.5px; color: var(--slate-400); margin-top: 5px; }
input[type=text], input[type=email], input[type=password], input[type=date],
input[type=number], select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--slate-200);
  border-radius: 7px;
  font-family: var(--font-body);
  font-size: 14.5px;
  background: var(--white);
  color: var(--ink-900);
  transition: border-color .15s ease;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--navy-600);
  box-shadow: 0 0 0 3px rgba(0, 61, 130, 0.12);
}
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 160px; }

.radio-group { display: flex; gap: 10px; }
.radio-pill {
  border: 1.5px solid var(--slate-200);
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--slate-600);
  transition: all .15s ease;
}
.radio-pill input { display: none; }
.radio-pill.checked, .radio-pill:has(input:checked) {
  border-color: var(--navy-700);
  background: var(--navy-900);
  color: #fff;
}

.airport-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; }
.airport-group h4 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--slate-400); margin: 0 0 8px; font-family: var(--font-body); font-weight: 700;
}
.airport-check {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 4px; border-radius: 6px; cursor: pointer; font-size: 13.5px;
}
.airport-check:hover { background: var(--slate-100); }
.airport-check .code { font-family: var(--font-mono); font-weight: 700; color: var(--navy-900); width: 34px; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: none; border-radius: 7px; padding: 11px 20px;
  font-family: var(--font-body); font-size: 14px; font-weight: 700;
  cursor: pointer; text-decoration: none; transition: filter .15s ease, transform .05s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--gold-500); color: var(--navy-900); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-dark { background: var(--navy-900); color: #fff; }
.btn-dark:hover { filter: brightness(1.2); }
.btn-outline { background: transparent; color: var(--navy-900); border: 1.5px solid var(--slate-200); }
.btn-outline:hover { border-color: var(--navy-600); }
.btn-danger { background: var(--red-50); color: var(--red-600); }
.btn-danger:hover { filter: brightness(0.97); }
.btn-sm { padding: 7px 12px; font-size: 12.5px; }
.btn-block { width: 100%; }

/* ── Badges / pills ──────────────────────────────────────────── */
.pill {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 700;
}
.pill-good { background: var(--navy-900); color: #fff; }
.pill-low { background: var(--amber-600); color: #fff; }
.pill-scarce { background: var(--red-600); color: #fff; }
.pill-muted { background: var(--slate-100); color: var(--slate-600); }
.status-pending { background: var(--amber-50); color: var(--amber-600); }
.status-active { background: var(--green-50); color: var(--green-700); }
.status-denied { background: var(--red-50); color: var(--red-600); }
.role-admin { background: var(--navy-900); color: #fff; }
.role-user { background: var(--slate-100); color: var(--slate-600); }
.pill-trumf { background: var(--green-50); color: var(--green-700); }
.pill-sas { background: var(--navy-900); color: #fff; }

/* ── Tables ──────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--slate-400); padding: 0 14px 10px; font-weight: 700;
}
td { padding: 13px 14px; border-top: 1px solid var(--slate-100); font-size: 14px; vertical-align: middle; }
tr:hover td { background: var(--slate-100); }
.table-wrap { overflow-x: auto; }

/* ── Alert / flash messages ─────────────────────────────────── */
.flash { padding: 12px 16px; border-radius: 8px; font-size: 13.5px; margin-bottom: 14px; font-weight: 600; }
.flash-success { background: var(--green-50); color: var(--green-700); }
.flash-error { background: var(--red-50); color: var(--red-600); }
.flash-info { background: #eaf1fb; color: var(--navy-700); }

/* ── Empty state ─────────────────────────────────────────────── */
.empty {
  text-align: center; padding: 48px 24px; color: var(--slate-400);
}
.empty h3 { color: var(--slate-600); font-size: 16px; margin-bottom: 6px; }

/* ── Auth pages ──────────────────────────────────────────────── */
.auth-card { text-align: left; }
.auth-head { text-align: center; margin-bottom: 24px; }
.auth-head .brand-mark { display: inline-block; margin-bottom: 14px; }
.auth-head h1 { font-size: 22px; color: var(--navy-900); margin-bottom: 4px; }
.auth-head p { color: var(--slate-600); font-size: 13.5px; margin: 0; }
.auth-links { text-align: center; margin-top: 18px; font-size: 13px; color: var(--slate-600); }
.auth-links a { color: var(--navy-700); font-weight: 700; text-decoration: none; }
.auth-links a:hover { text-decoration: underline; }

/* ── Section headers within pages ───────────────────────────── */
.section-title {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--slate-400); font-weight: 700; margin: 32px 0 12px;
}
.section-title:first-child { margin-top: 0; }

.count-chip {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--slate-100); color: var(--slate-600); font-size: 11.5px; font-weight: 700;
  border-radius: 20px; padding: 1px 9px; margin-left: 6px;
}

footer { text-align: center; padding: 30px 24px; color: var(--slate-400); font-size: 12px; }

@media (max-width: 720px) {
  .topbar-inner { height: auto; flex-direction: column; padding: 14px 16px; gap: 10px; }
  .nav-links { justify-content: center; }
  .container { padding: 28px 16px 48px; }
  .row { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}