:root {
  --bg: #eef5f7;
  --card: #ffffff;
  --ink: #10262f;
  --muted: #5b7280;
  --line: #d7e4e9;
  --sea: #0b6e8a;
  --sea-deep: #0b3b4f;
  --sun: #f2a33a;
  --live: #e0312b;
  --shadow: 0 1px 2px rgba(16, 38, 47, .06), 0 4px 14px rgba(16, 38, 47, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #071a22;
    --card: #0e2a35;
    --ink: #e6f1f4;
    --muted: #93adb8;
    --line: #1d3e4a;
    --sea: #4cc0dc;
    --sea-deep: #031117;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Thai", "Leelawadee UI", sans-serif;
}
a { color: var(--sea); }
button { font: inherit; }

.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; padding-top: max(10px, env(safe-area-inset-top));
  background: var(--sea-deep); color: #fff;
}
.brand { display: flex; align-items: center; gap: 8px; color: #fff; text-decoration: none; min-width: 0; }
.brand b { font-size: 17px; }
.brand small { opacity: .75; font-size: 12px; white-space: nowrap; }
.lang { display: flex; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; overflow: hidden; flex: none; }
.lang button { background: none; border: 0; color: #fff; padding: 5px 11px; cursor: pointer; font-size: 14px; }
.lang button.on { background: #fff; color: var(--sea-deep); font-weight: 600; }

main { max-width: 980px; margin: 0 auto; padding: 0 0 16px; }

.cams { display: flex; gap: 8px; overflow-x: auto; padding: 10px 16px 0; scrollbar-width: none; }
.cams a {
  flex: none; padding: 7px 14px; border-radius: 999px; text-decoration: none;
  background: var(--card); color: var(--ink); border: 1px solid var(--line); font-size: 14px;
}
.cams a.on { background: var(--sea); border-color: var(--sea); color: #fff; }

.player { padding: 12px 0 0; }
@media (min-width: 700px) { .player { padding: 16px 16px 0; } }
.frame {
  position: relative; aspect-ratio: 16 / 9; background: #000; overflow: hidden;
}
@media (min-width: 700px) { .frame { border-radius: 14px; } }
.frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.state {
  position: absolute; inset: 0; display: grid; place-items: center; text-align: center;
  color: #fff; padding: 16px;
  background: linear-gradient(160deg, #0b3b4f 0%, #0b6e8a 55%, #f2a33a 140%);
}
.state[hidden] { display: none; }
.state h2 { margin: 6px 0 4px; font-size: 20px; }
.state p { margin: 0; opacity: .85; font-size: 14px; max-width: 34ch; }
.state svg { opacity: .8; }

.under {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 4px 12px;
  padding: 10px 16px 0;
}
.under h1 { margin: 0; font-size: 19px; }
.clock { color: var(--muted); font-size: 14px; }
.clock b { color: var(--ink); font-size: 17px; font-variant-numeric: tabular-nums; }
.watching { flex-basis: 100%; font-size: 14px; color: var(--muted); }
.watching[hidden] { display: none; }
.watching b { color: var(--ink); font-variant-numeric: tabular-nums; }
.watching .dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #2fb36a;
  vertical-align: 1px; animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .watching .dot { animation: none; } }
.live-dot {
  display: inline-block; margin-left: 8px; padding: 1px 7px; border-radius: 4px;
  background: var(--live); color: #fff; font-size: 11px; font-weight: 700; vertical-align: 3px; letter-spacing: .04em;
}

.wx {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px 16px 0;
}
@media (min-width: 700px) { .wx { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 11px 13px; box-shadow: var(--shadow); min-width: 0;
}
.card.big { grid-column: 1 / -1; }
@media (min-width: 700px) { .card.big { grid-column: auto; } }
.card.wide { grid-column: 1 / -1; }
.lbl { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.val { font-size: 26px; font-weight: 700; margin: 2px 0; display: flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; }
.big .val { font-size: 34px; }
.sub { font-size: 13px; color: var(--muted); }
.wicon { font-size: 30px; line-height: 1; }
.arrow { display: inline-block; color: var(--sea); transition: transform .4s; }

.tides .lbl { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.trend { text-transform: none; letter-spacing: 0; color: var(--sea); }
.tide-list { list-style: none; margin: 8px 0 6px; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.tide-list li {
  flex: 1 1 70px; padding: 6px 8px; border-radius: 9px; background: var(--bg); text-align: center;
}
.tide-list li b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.tide-list li span { font-size: 12px; color: var(--muted); }
.tide-list li.past { opacity: .5; }
.tide-list li.next { outline: 2px solid var(--sea); }

.sun .val { font-size: 20px; margin: 0 0 4px; }
@media (min-width: 700px) { .card.wide.tides { grid-column: span 3; } }
.updated { grid-column: 1 / -1; margin: 0; font-size: 12px; color: var(--muted); text-align: right; }
.updated.err { color: var(--live); text-align: left; }

.sponsor { margin: 14px 16px 0; position: relative; }
.sponsor[hidden] { display: none; }
.sponsor img { display: block; width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--line); }
.sp-lbl {
  position: absolute; top: 6px; left: 6px; background: rgba(0,0,0,.55); color: #fff;
  font-size: 10px; padding: 1px 6px; border-radius: 4px; text-transform: uppercase; letter-spacing: .05em;
}

.talaad {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin: 14px 16px 0; padding: 13px 15px; border-radius: 12px; text-decoration: none;
  background: var(--card); border: 1px solid var(--line); color: var(--ink); box-shadow: var(--shadow);
}
.talaad b { display: block; color: var(--sea); }
.talaad span span { font-size: 14px; color: var(--muted); }
.talaad .go {
  flex: none; background: var(--sea); color: #fff; padding: 8px 12px; border-radius: 9px; font-size: 14px; font-weight: 600;
}

.foot { text-align: center; padding: 20px 16px calc(24px + env(safe-area-inset-bottom)); color: var(--muted); font-size: 14px; }
.foot p { margin: 4px 0; }
.foot .small { font-size: 12px; }