:root {
  --bg: #f1f5fb;
  --surface: #ffffff;
  --surface-2: #eef3fa;
  --text: #0f172a;
  --muted: #64748b;
  --border: #dbe3ef;
  --primary: #2563eb;
  --primary-2: #0ea5e9;
  --grid: rgba(100, 116, 139, .15);
  --shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 6px 20px rgba(15, 23, 42, .06);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --surface: #111a2e;
    --surface-2: #18233b;
    --text: #e5edf8;
    --muted: #94a3b8;
    --border: #24314d;
    --primary: #60a5fa;
    --primary-2: #38bdf8;
    --grid: rgba(148, 163, 184, .12);
    --shadow: none;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'IBM Plex Sans Thai', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a { color: var(--primary); }
h3 { margin: 0 0 12px; font-size: 1.02rem; font-weight: 600; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: .82rem; margin: 10px 0 0; }

/* ---------- header ---------- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: linear-gradient(120deg, #1e3a8a, #0369a1 60%, #0891b2);
  color: #fff;
}
.brand { display: flex; gap: 12px; align-items: center; }
.brand .logo { font-size: 2.2rem; }
.brand h1 { margin: 0; font-size: 1.3rem; }
.brand p { margin: 0; font-size: .85rem; opacity: .85; }

.search { display: flex; gap: 8px; flex: 1; max-width: 520px; min-width: 260px; }
.search-box { position: relative; flex: 1; }
.search input {
  width: 100%;
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  font: inherit;
  background: rgba(255, 255, 255, .95);
  color: #0f172a;
}
.results {
  position: absolute;
  z-index: 2000;
  top: calc(100% + 4px);
  left: 0; right: 0;
  margin: 0; padding: 4px;
  list-style: none;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
  max-height: 320px;
  overflow-y: auto;
}
.results li { padding: 8px 10px; border-radius: 8px; cursor: pointer; }
.results li:hover, .results li.active { background: var(--surface-2); }
.results li small { color: var(--muted); display: block; }

.btn {
  border: none;
  border-radius: 10px;
  padding: 9px 14px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  background: rgba(255, 255, 255, .18);
  color: #fff;
  white-space: nowrap;
}
.btn:hover { background: rgba(255, 255, 255, .28); }
main .btn, .locbar .btn { background: var(--primary); color: #fff; }
main .btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--primary); border: 1px solid var(--border); padding: 5px 12px; }

.locbar {
  display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center;
  padding: 10px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.locbar .btn { margin-left: auto; }

/* ---------- tabs ---------- */
.tabs {
  display: flex; gap: 4px; overflow-x: auto;
  padding: 10px 24px 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1000;
}
.tab {
  border: none; background: none; font: inherit; color: var(--muted);
  padding: 10px 16px; cursor: pointer; white-space: nowrap;
  border-bottom: 3px solid transparent; font-weight: 500;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

main { max-width: 1280px; margin: 0 auto; padding: 20px 24px; }
.panel { display: none; }
.panel.active { display: block; animation: fade .25s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin-bottom: 18px;
  min-width: 0;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.grid-2 > .card { margin-bottom: 18px; }

.status:empty { display: none; }
.status {
  padding: 12px 16px; border-radius: 10px; margin-bottom: 16px;
  background: #fef3c7; color: #78350f; border: 1px solid #fcd34d;
}
.status.error { background: #fee2e2; color: #7f1d1d; border-color: #fca5a5; }
.status.loading { background: var(--surface-2); color: var(--muted); border-color: var(--border); }
.skeleton { color: var(--muted); padding: 30px 0; text-align: center; }

/* ---------- current weather ---------- */
.cur-top { display: flex; gap: 18px; align-items: center; margin-bottom: 14px; }
.cur-icon { font-size: 4.2rem; line-height: 1; }
.cur-temp { font-size: 2.8rem; font-weight: 700; line-height: 1.1; }
.cur-desc { font-size: 1.15rem; font-weight: 500; }
.kv { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.kv div { background: var(--surface-2); border-radius: 10px; padding: 8px 12px; }
.kv span { display: block; font-size: .78rem; color: var(--muted); }
.kv b { font-weight: 600; }

.map { border-radius: 10px; overflow: hidden; z-index: 0; }
.map.small { height: 290px; }
.map.large { height: 480px; }

.chart-box { position: relative; height: 280px; }
.chart-box.tall { height: 340px; }

/* ---------- daily list ---------- */
.daily { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 10px; }
.day {
  background: var(--surface-2); border-radius: 12px; padding: 10px; text-align: center;
  border: 1px solid transparent;
}
.day.today { border-color: var(--primary); }
.day .d-name { font-weight: 600; font-size: .9rem; }
.day .d-icon { font-size: 2rem; margin: 4px 0; }
.day .d-temp { font-weight: 600; }
.day .d-temp small { color: var(--muted); font-weight: 400; }
.day .d-rain { font-size: .8rem; color: var(--primary); margin-top: 2px; }

/* ---------- tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 18px; }
.tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow);
}
.tile .t-label { color: var(--muted); font-size: .82rem; }
.tile .t-value { font-size: 1.6rem; font-weight: 700; line-height: 1.3; }
.tile .t-sub { font-size: .82rem; color: var(--muted); }

.insight ul { margin: 0; padding-left: 20px; }
.insight li { margin-bottom: 8px; }
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 600;
  color: #fff;
}

.legend-table { width: 100%; border-collapse: collapse; }
.legend-table td { padding: 6px 4px; border-bottom: 1px solid var(--border); }
.dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 8px; vertical-align: -1px; }
.r-light { background: #7dd3fc; }
.r-mod { background: #3b82f6; }
.r-heavy { background: #f97316; }
.r-vheavy { background: #dc2626; }

/* ---------- flood ---------- */
.risk-head { display: flex; align-items: center; gap: 18px; }
.gauge { width: 150px; flex-shrink: 0; }
.risk-level { font-size: 1.9rem; font-weight: 700; }
.risk-bar { display: flex; gap: 4px; margin: 14px 0; }
.risk-bar span { flex: 1; height: 8px; border-radius: 4px; background: var(--surface-2); }
.advice { margin: 8px 0 0; padding-left: 20px; }
.factor {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.factor:last-child { border-bottom: none; }
.factor .f-name { font-weight: 500; }
.factor .f-detail { grid-column: 1 / -1; font-size: .82rem; color: var(--muted); }

/* ---------- quake ---------- */
.controls { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; }
.controls label { display: flex; gap: 8px; align-items: center; color: var(--muted); }
select {
  font: inherit; padding: 7px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
}
.mag-legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px; font-size: .85rem; color: var(--muted); }
.mag-legend i { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th, .data-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
.data-table th { color: var(--muted); font-weight: 500; background: var(--surface-2); position: sticky; top: 0; }
.data-table td.wrap { white-space: normal; min-width: 220px; }
.data-table tbody tr { cursor: pointer; }
.data-table tbody tr:hover { background: var(--surface-2); }
#quakeTable { max-height: 460px; }
.mag { display: inline-block; min-width: 42px; text-align: center; padding: 2px 6px; border-radius: 6px; color: #fff; font-weight: 700; }

/* ---------- tide ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  border-radius: 999px; padding: 5px 14px; font: inherit; font-size: .88rem; cursor: pointer;
}
.chip.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.tide-high { color: #0284c7; font-weight: 600; }
.tide-low { color: #b45309; font-weight: 600; }

/* ---------- water (ThaiWater) ---------- */
.nearby { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.nearby > div { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; min-width: 0; }
.nearby h4 { margin: 0 0 8px; font-size: .95rem; }
.nearby .big { font-size: 1.5rem; font-weight: 700; }
.mini-list { list-style: none; margin: 8px 0 0; padding: 0; font-size: .86rem; }
.mini-list li { display: flex; justify-content: space-between; gap: 8px; padding: 5px 0; border-top: 1px solid var(--border); }
.mini-list li span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mini-list li span:last-child { white-space: nowrap; font-weight: 600; }
.scroll-y { max-height: 740px; overflow-y: auto; }
.map-legends { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-top: 10px; font-size: .82rem; color: var(--muted); }
.map-legends b { color: var(--text); font-weight: 600; margin-right: 4px; }
.map-legends i { display: inline-block; width: 11px; height: 11px; border-radius: 50%; margin: 0 4px 0 8px; vertical-align: -1px; }
.pct-bar { display: inline-block; width: 70px; height: 7px; border-radius: 4px; background: var(--border); vertical-align: middle; margin-right: 6px; overflow: hidden; }
.pct-bar span { display: block; height: 100%; }
.obs-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 18px; }
.obs-grid ul { margin: 0; padding-left: 20px; }
.obs-grid li { margin-bottom: 6px; }

/* ---------- air quality ---------- */
.air-hero { display: grid; grid-template-columns: minmax(300px, 380px) 1fr; gap: 18px; margin-bottom: 18px; }
.air-hero > .card { margin-bottom: 0; }
.aqi-main {
  position: relative; overflow: hidden;
  background: linear-gradient(145deg, var(--lvl-soft, transparent), var(--surface) 70%);
  border-top: 5px solid var(--lvl, var(--primary));
}
.aqi-main .ring-wrap { display: flex; gap: 16px; align-items: center; }
.aqi-ring { width: 128px; height: 128px; flex-shrink: 0; }
.aqi-ring .val { font-size: 30px; font-weight: 700; fill: var(--text); }
.aqi-ring .lbl { font-size: 11px; fill: var(--muted); }
.aqi-main .st-name { font-size: 1.1rem; font-weight: 600; line-height: 1.3; }
.aqi-main .lvl-badge {
  display: inline-block; margin: 6px 0; padding: 3px 12px; border-radius: 999px;
  font-weight: 700; font-size: .88rem;
}
.aqi-main .advice-box {
  margin-top: 14px; padding: 10px 12px; border-radius: 10px;
  background: var(--surface-2); font-size: .88rem;
}
.pol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.pol {
  background: var(--surface-2); border-radius: 12px; padding: 12px 14px;
  border-left: 5px solid var(--c, var(--border));
}
.pol .p-name { font-size: .82rem; color: var(--muted); }
.pol .p-val { font-size: 1.5rem; font-weight: 700; line-height: 1.25; }
.pol .p-val small { font-size: .75rem; font-weight: 500; color: var(--muted); }
.pol .p-aqi { font-size: .8rem; }
.pol.na { opacity: .5; }

.air-toolbar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-bottom: 12px; }
.air-toolbar label { display: flex; gap: 8px; align-items: center; color: var(--muted); }
.air-toolbar label.grow { flex: 1; min-width: 240px; }
.air-toolbar label.grow select { flex: 1; min-width: 0; }

.aq-icon { background: none; border: none; }
.aq-pin {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  border-radius: 11px; font: 700 11.5px/1 'IBM Plex Sans Thai', sans-serif;
  border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, .4); cursor: pointer;
  transition: transform .15s;
}
.aq-pin:hover { transform: scale(1.2); }
.aq-pin.stale { opacity: .45; }
.aq-pin.sel { transform: scale(1.35); border-color: #1d4ed8; box-shadow: 0 0 0 3px rgba(29, 78, 216, .45); }

.air-daily { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.aq-day { border-radius: 12px; padding: 12px; text-align: center; background: var(--surface-2); border-top: 5px solid var(--c); }
.aq-day .d-n { font-weight: 600; font-size: .9rem; }
.aq-day .d-v { font-size: 1.7rem; font-weight: 700; line-height: 1.2; margin-top: 4px; }
.aq-day .d-v small { font-size: .7rem; color: var(--muted); font-weight: 500; }
.aq-day .d-l { font-size: .78rem; margin-top: 2px; }
.aq-day .d-r { font-size: .75rem; color: var(--muted); }
.skill { margin-top: 14px; font-size: .85rem; background: var(--surface-2); border-radius: 10px; padding: 10px 12px; }
.skill table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.skill td { padding: 3px 4px; }
.skill tr.best td { font-weight: 700; color: var(--primary); }

.dist-bar { display: flex; height: 22px; border-radius: 8px; overflow: hidden; margin: 6px 0 8px; }
.dist-bar span { display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; min-width: 0; }
.dist-legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: .8rem; color: var(--muted); }
.dist-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; }
h4.sub { margin: 16px 0 6px; font-size: .92rem; }
.rank { margin: 0; padding-left: 22px; font-size: .88rem; }
.rank li { padding: 4px 0; border-bottom: 1px solid var(--border); cursor: pointer; }
.rank li:hover { color: var(--primary); }
.rank .badge { float: right; min-width: 38px; text-align: center; }

.spark-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.spark { background: var(--surface-2); border-radius: 10px; padding: 8px 10px 4px; }
.spark .s-h { display: flex; justify-content: space-between; font-size: .8rem; }
.spark .s-h b { font-size: .9rem; }
.spark .s-c { position: relative; height: 70px; }

.waqi-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 18px; align-items: start; }
.iaqi { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.iaqi span { background: var(--surface-2); border-radius: 8px; padding: 3px 9px; font-size: .82rem; }

/* ---------- fire ---------- */
.fire-toolbar { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; }
.fire-toolbar label { display: flex; gap: 8px; align-items: center; color: var(--muted); }
.fire-toolbar label[hidden] { display: none; }
.fire-toolbar label.chk { gap: 6px; cursor: pointer; }
input[type=date] {
  font: inherit; padding: 6px 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
}
.seg { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 3px; }
.seg button {
  border: none; background: none; font: inherit; color: var(--muted); padding: 6px 14px;
  border-radius: 8px; cursor: pointer; font-weight: 500;
}
.seg button.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .15); }
.fire-tile-hot .t-value { color: #ea580c; }

.risk-row { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.risk-row:last-child { border-bottom: none; }
.risk-chip { min-width: 92px; text-align: center; padding: 8px 10px; border-radius: 10px; font-weight: 700; color: #fff; }
.risk-chip small { display: block; font-weight: 500; font-size: .72rem; opacity: .9; }
.compass { width: 96px; height: 96px; }
.near-head { display: flex; gap: 14px; align-items: center; margin-bottom: 6px; }
.fw-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-top: 8px; }
.fw-day { text-align: center; border-radius: 8px; padding: 4px 2px; font-size: .74rem; color: #fff; font-weight: 600; }
.fw-day small { display: block; font-weight: 400; opacity: .9; }

footer {
  text-align: center; color: var(--muted); font-size: .82rem;
  padding: 24px 16px 32px; border-top: 1px solid var(--border);
}

.leaflet-popup-content { font-family: 'IBM Plex Sans Thai', sans-serif; }

@media (max-width: 860px) {
  .grid-2 { grid-template-columns: 1fr; gap: 0; }
  .nearby, .obs-grid { grid-template-columns: 1fr; }
  .air-hero, .waqi-grid { grid-template-columns: 1fr; }
  .pol-grid { grid-template-columns: repeat(2, 1fr); }
  .topbar, .locbar, main { padding-left: 16px; padding-right: 16px; }
  .tabs { padding: 6px 16px 0; }
  .search { max-width: none; }
  .map.large { height: 360px; }
  .cur-temp { font-size: 2.3rem; }
}