/* ClimateScope — sunset palette design system */
:root {
  /* palette (from user selection) */
  --primary:      #EA580C;
  --secondary:    #DB2777;
  --accent:       #F59E0B;
  --surface:      #FFF7ED;
  --on-surface:   #7C2D12;

  /* derived tokens */
  --bg:            #FFFBF5;
  --surface-2:     #FFEDD5;
  --surface-3:     #FED7AA;
  --border:        #FDBA74;
  --border-soft:   rgba(124, 45, 18, 0.14);
  --text:          #7C2D12;
  --text-strong:   #4A1206;
  --text-muted:    #9A3412;
  --text-subtle:   #C2410C;
  --danger:        #DC2626;
  --cool:          #1E40AF;
  --wet:           #0369A1;

  /* type + shape */
  --font-sans: 'Inter', ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --radius-sm:  6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(124,45,18,0.06), 0 1px 3px rgba(124,45,18,0.05);
  --shadow-md: 0 8px 24px rgba(234,88,12,0.10), 0 2px 6px rgba(124,45,18,0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background:
    radial-gradient(1200px 480px at 12% -10%, rgba(245,158,11,0.20), transparent 60%),
    radial-gradient(900px 460px at 90% -6%, rgba(219,39,119,0.14), transparent 60%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.5;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

.skip {
  position: absolute; left: -9999px; top: 8px;
  background: var(--text-strong); color: var(--surface);
  padding: 8px 12px; border-radius: var(--radius-sm);
}
.skip:focus { left: 12px; z-index: 10; }

/* header */
.site-header {
  display: flex; align-items: center; gap: 32px;
  padding: 18px 32px;
  background: rgba(255, 251, 245, 0.85);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border-soft);
  position: sticky; top: 0; z-index: 20;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 17px; letter-spacing: -0.01em;
  color: var(--text-strong);
}
.site-nav {
  display: flex; gap: 6px; margin-left: auto; flex-wrap: wrap;
}
.site-nav a {
  color: var(--text-muted); text-decoration: none;
  padding: 8px 14px; border-radius: var(--radius-md);
  font-weight: 500; font-size: 14px;
  transition: background .16s ease, color .16s ease;
}
.site-nav a:hover { color: var(--text-strong); background: var(--surface-2); }
.site-nav a[aria-current="page"] {
  color: var(--surface); background: var(--primary);
  box-shadow: 0 4px 10px rgba(234,88,12,0.30);
}
.site-nav a:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 2px;
}

/* main */
main { padding: 28px 32px 40px; max-width: 1400px; margin: 0 auto; }
.page-head {
  margin-bottom: 20px;
}
.page-head h1 {
  font-size: 30px; margin: 0 0 6px; letter-spacing: -0.02em;
  color: var(--text-strong);
}
.page-head p { margin: 0; color: var(--text-muted); max-width: 720px; }

/* filter bar */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: end;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
}
.filter {
  display: flex; flex-direction: column; gap: 4px; min-width: 140px;
}
.filter label {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-muted); font-weight: 600;
}
.filter select, .filter input[type="text"], .filter input[type="search"], .filter input[type="number"] {
  font-family: inherit; font-size: 14px; color: var(--text-strong);
  padding: 8px 10px; border: 1px solid var(--border);
  border-radius: var(--radius-md); background: #FFFBF5;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.filter select:focus, .filter input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(234,88,12,0.18);
}
.filter input[type="range"] { accent-color: var(--primary); }
.filter-actions { display: flex; gap: 8px; margin-left: auto; }
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--radius-md);
  font-family: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none; border: 1px solid transparent;
  transition: transform .12s ease, background .15s ease, box-shadow .15s ease;
}
.btn-primary { background: var(--primary); color: #FFFBF5; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: #DC5A0B; transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text-strong); border-color: var(--border); }
.btn-ghost:hover { background: var(--surface-2); }
.btn:focus-visible { outline: 2px solid var(--text-strong); outline-offset: 2px; }

.checkbox-group, .radio-group { display: inline-flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px;
  border: 1px solid var(--border);
  background: #FFFBF5; font-size: 13px; color: var(--text-strong);
  cursor: pointer; user-select: none;
}
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip:has(input:checked) {
  background: var(--primary); color: #FFFBF5; border-color: var(--primary);
  box-shadow: 0 2px 6px rgba(234,88,12,0.25);
}

/* metrics */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px; margin-bottom: 22px;
}
.stat {
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #FFF5E7 0%, #FFF7ED 100%);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-sm);
}
.stat.accent { background: linear-gradient(135deg, #FFE6D0 0%, #FFF0DC 100%); }
.stat .label {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted); font-weight: 600;
}
.stat .value {
  font-size: 30px; font-weight: 700; letter-spacing: -0.02em; margin-top: 4px;
  color: var(--text-strong); font-variant-numeric: tabular-nums;
}
.stat .sub { font-size: 13px; color: var(--text-subtle); margin-top: 4px; }

/* panels */
.panel {
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 22px;
}
.panel h2 {
  font-size: 18px; margin: 0 0 12px; letter-spacing: -0.01em; color: var(--text-strong);
}
.panel .subtitle { color: var(--text-muted); font-size: 13px; margin: -6px 0 12px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .site-header { padding: 14px 16px; gap: 12px; }
  main { padding: 20px 16px 32px; }
}

.chart { width: 100%; min-height: 380px; }
.chart-sm { width: 100%; min-height: 110px; }
.chart-error { color: var(--danger); font-family: var(--font-mono); font-size: 13px; }

/* insights banner */
.insights-banner {
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(219,39,119,0.10) 0%, rgba(245,158,11,0.10) 60%, rgba(234,88,12,0.10) 100%);
  border: 1px solid rgba(219,39,119,0.20);
  margin-bottom: 22px;
}
.insights-banner h2 {
  font-size: 16px; margin: 0 0 10px; color: var(--text-strong);
  display: flex; align-items: center; gap: 8px;
}
.insights-banner ul { margin: 0; padding-left: 18px; color: var(--text); }
.insights-banner li { margin: 4px 0; }

/* regional card grid */
.regional-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 14px;
}
.regional-card {
  background: var(--surface); border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft); padding: 14px 16px;
  text-decoration: none; color: inherit;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  display: block;
}
.regional-card:hover {
  transform: translateY(-2px); box-shadow: var(--shadow-md);
  border-color: var(--border);
}
.regional-card .name {
  font-weight: 600; color: var(--text-strong); font-size: 15px;
}
.regional-card .meta {
  font-size: 12px; color: var(--text-muted); margin-bottom: 8px;
}
.regional-card .anom {
  font-family: var(--font-mono); font-size: 14px; color: var(--primary);
  font-weight: 600; margin-top: 6px;
}
.regional-card .anom.neg { color: var(--cool); }

/* tables */
.table-wrap { overflow-x: auto; }
table.data {
  width: 100%; border-collapse: collapse;
  font-size: 13px;
}
table.data th, table.data td {
  text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border-soft);
  font-variant-numeric: tabular-nums;
}
table.data th {
  color: var(--text-muted); font-weight: 600;
  text-transform: uppercase; font-size: 11px; letter-spacing: 0.06em;
  background: rgba(254, 215, 170, 0.35);
  position: sticky; top: 0;
}
table.data tbody tr:hover { background: rgba(254, 215, 170, 0.25); }
table.data td.num { text-align: right; }
table.data td.strong { color: var(--text-strong); font-weight: 600; }

/* extreme cards */
.event-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.event-card {
  padding: 14px 16px; border-radius: var(--radius-md);
  background: #FFFBF5; border: 1px solid var(--border-soft);
  border-left: 3px solid var(--primary);
}
.event-card.drought { border-left-color: var(--accent); }
.event-card .kind { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.event-card .value { font-size: 22px; font-weight: 700; color: var(--text-strong); font-variant-numeric: tabular-nums; margin-top: 3px; }
.event-card .when { font-size: 13px; color: var(--text); margin-top: 2px; }
.event-card .spi { font-size: 12px; color: var(--text-subtle); margin-top: 4px; font-family: var(--font-mono); }

/* narrative cards */
.narrative-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.narrative {
  padding: 16px 18px; border-radius: var(--radius-lg);
  background: #FFFBF5; border: 1px solid var(--border-soft);
  border-top: 3px solid var(--primary);
}
.narrative.cat-heatwave { border-top-color: #DC2626; }
.narrative.cat-coldsnap { border-top-color: #1D4ED8; }
.narrative.cat-deluge   { border-top-color: #0EA5E9; }
.narrative.cat-drought  { border-top-color: #B45309; }
.narrative .tag {
  display: inline-block; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--surface-2); color: var(--text-strong);
}
.narrative .headline {
  font-weight: 600; color: var(--text-strong); margin: 8px 0 4px;
  font-size: 14px;
}
.narrative .body { font-size: 13.5px; color: var(--text); }
.narrative .meta {
  margin-top: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
  display: flex; gap: 14px; flex-wrap: wrap;
}

/* scorecard */
.scorecard {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.score {
  padding: 16px 18px; border-radius: var(--radius-lg);
  background: #FFFBF5; border: 1px solid var(--border-soft);
  border-top: 3px solid var(--primary);
}
.score .name { font-weight: 700; color: var(--text-strong); font-size: 16px; }
.score .continent { font-size: 12px; color: var(--text-muted); }
.score .row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--border-soft); font-size: 13px; }
.score .row:last-child { border-bottom: 0; }
.score .row .v { font-weight: 600; color: var(--text-strong); font-variant-numeric: tabular-nums; }

/* footer */
.site-footer {
  display: flex; gap: 12px; justify-content: space-between; align-items: center;
  padding: 20px 32px; font-size: 12px;
  color: var(--text-muted); border-top: 1px solid var(--border-soft);
  flex-wrap: wrap;
}

/* misc */
.badge {
  display: inline-flex; padding: 2px 8px; border-radius: 999px;
  font-size: 11px; letter-spacing: 0.04em; font-weight: 700;
  background: var(--surface-3); color: var(--text-strong);
}
.hint {
  color: var(--text-muted); font-size: 12px; margin-top: 4px;
}
.two-inputs { display: flex; gap: 6px; align-items: center; }
.two-inputs input { width: 90px; }

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