@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/space-grotesk.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/jetbrains-mono.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}
:root {
  --bg: #f5f9fe;
  --bg2: #e6f1fc;
  --ink: #1e2b42;
  --muted: #6a7b95;
  --line: rgba(74, 128, 196, 0.16);
  --glass: rgba(255, 255, 255, 0.82);
  --cyan: #2f8fd8;
  --violet: #7a88e8;
  --gold: #db8a32;
  --blue: #3f80e0;
  --link: #2b7cc4;
  --shadow: 0 6px 22px rgba(70, 120, 190, 0.08);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(1200px 520px at 80% -160px, rgba(150, 190, 255, 0.35), transparent 60%),
    radial-gradient(900px 420px at 5% -120px, rgba(170, 225, 255, 0.45), transparent 60%),
    linear-gradient(180deg, var(--bg2), var(--bg) 520px);
  background-color: var(--bg);
  font: 16px/1.6 "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}
a { color: var(--link); text-decoration: none; }
a:hover { color: #1a5d9c; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

.top { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, 0.78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; font-size: 19px; letter-spacing: 0.2px; color: var(--ink); display: flex; align-items: center; gap: 10px; }
.brand:hover { color: var(--ink); }
.sun { width: 24px; height: 12px; border-radius: 24px 24px 0 0; background: linear-gradient(90deg, var(--cyan), var(--violet)); box-shadow: 0 0 12px rgba(47, 143, 216, 0.35); display: inline-block; }
.top nav a { margin-left: 22px; color: var(--muted); font-size: 15px; }
.top nav a:hover { color: var(--ink); }

h1 { font-size: 40px; line-height: 1.1; letter-spacing: -1px; font-weight: 700; margin: 28px 0 8px; }
h1 .grad, .grad { background: linear-gradient(90deg, var(--cyan), var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: 15px; font-weight: 600; text-transform: uppercase; letter-spacing: 1.6px; color: var(--muted); margin: 0 0 14px; }
.lead { color: var(--muted); margin: 0 0 22px; font-size: 17px; }
.crumbs { font-size: 13px; color: var(--muted); margin-top: 22px; letter-spacing: 0.3px; }
.note { background: #eef1ff; border: 1px solid rgba(122, 136, 232, 0.35); border-radius: 12px; padding: 10px 14px; }

/* Big numbers */
.hero { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 6px 0 16px; }
.big { box-shadow: var(--shadow); background: var(--glass); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; display: flex; flex-direction: column; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); position: relative; overflow: hidden; }
.big::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: 0.55; }
.big.sunset::after { background: linear-gradient(90deg, transparent, var(--gold), transparent); }
.big .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1.4px; }
.big .val { font-family: var(--mono); font-size: 30px; font-weight: 600; letter-spacing: -0.5px; margin-top: 4px; font-variant-numeric: tabular-nums; }
.big .sub { font-size: 13px; color: var(--muted); }

/* 24-hour sky timeline */
.sky { box-shadow: var(--shadow); background: var(--glass); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px 12px; margin-bottom: 18px; }
.sky .bar { position: relative; height: 34px; border-radius: 10px; box-shadow: inset 0 0 0 1px rgba(30, 43, 66, 0.08); }
.sky .now { position: absolute; top: -6px; bottom: -6px; width: 2px; background: var(--ink); box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.9); border-radius: 2px; display: none; }
.sky .now::before { content: "NOW"; position: absolute; top: -18px; left: 50%; transform: translateX(-50%); font: 600 10px var(--mono); letter-spacing: 1px; color: var(--cyan); }
.sky .ticks { display: flex; justify-content: space-between; font: 12px var(--mono); color: var(--muted); margin-top: 6px; }
.sky .legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 10px; font-size: 13px; color: var(--muted); }
.sky .legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 26px; }
.card { box-shadow: var(--shadow); background: var(--glass); border: 1px solid var(--line); border-radius: 16px; padding: 18px; margin-bottom: 22px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.grid .card { margin-bottom: 0; }
.card.warm { border-color: rgba(255, 184, 107, 0.3); box-shadow: var(--shadow), inset 0 3px 0 rgba(219, 138, 50, 0.55); }
.card.cool { border-color: rgba(110, 168, 255, 0.3); box-shadow: var(--shadow), inset 0 3px 0 rgba(63, 128, 224, 0.5); }
.card.night { border-color: rgba(167, 139, 250, 0.3); box-shadow: var(--shadow), inset 0 3px 0 rgba(122, 136, 232, 0.5); }
.card.warm h2 { color: var(--gold); }
.card.cool h2 { color: var(--blue); }
.card.night h2 { color: var(--violet); }
.kv { width: 100%; border-collapse: collapse; }
.kv th { text-align: left; font-weight: 400; color: var(--muted); padding: 6px 8px 6px 0; font-size: 15px; }
.kv td { text-align: right; font-family: var(--mono); font-weight: 500; white-space: nowrap; padding: 6px 0; font-size: 14.5px; font-variant-numeric: tabular-nums; }
.kv tr + tr th, .kv tr + tr td { border-top: 1px solid var(--line); }
.small { font-size: 13px; color: var(--muted); margin: 12px 0 0; }
.moon { font-size: 17px; margin: 0 0 10px; }
.moon .icon { font-size: 30px; vertical-align: middle; filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.35)); }
.plain { list-style: none; padding: 0; margin: 14px 0 0; font-size: 14px; }
.plain li { padding: 3px 0; color: var(--muted); }
.plain li strong { color: var(--ink); font-weight: 500; }

.scroll { box-shadow: var(--shadow); overflow-x: auto; background: var(--glass); border: 1px solid var(--line); border-radius: 16px; }
.table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.table th, .table td { padding: 9px 14px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--line); }
.table td { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.table td:first-child { font-family: inherit; color: var(--muted); }
.table td.wrap-s { font-family: inherit; color: var(--muted); }
.table thead th { font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 1.2px; color: var(--muted); }
.table tbody tr:first-child { background: rgba(47, 143, 216, 0.07); }
.table tbody tr:first-child td:first-child { color: var(--cyan); }
.table tbody tr:hover { background: rgba(47, 143, 216, 0.04); }
.table tbody tr:last-child td { border-bottom: 0; }

.cols { columns: 3; padding-left: 0; list-style: none; margin: 0; }
.cols li { break-inside: avoid; padding: 3px 0; }
.muted { color: var(--muted); font-size: 13px; }

.intro { padding: 16px 0 8px; }
.intro h1 { font-size: 52px; letter-spacing: -1.6px; max-width: 760px; }
.pills { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 0; }
.pills a { display: inline-block; background: #fff; border: 1px solid rgba(47, 143, 216, 0.28); border-radius: 999px; padding: 6px 15px; color: var(--ink); transition: all 0.15s; }
.pills a:hover { background: rgba(47, 143, 216, 0.12); box-shadow: var(--shadow); }
#cities { margin-top: 36px; }
.countries { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.country { box-shadow: var(--shadow); background: var(--glass); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; transition: border-color 0.15s; }
.country:hover { border-color: rgba(47, 143, 216, 0.4); }
.country h3 { font-size: 16px; margin: 0 0 8px; }
.country h3 a { color: var(--ink); }
.country ul { list-style: none; padding: 0; margin: 0; font-size: 15px; }
.country li { padding: 1px 0; }

.prose { max-width: 720px; }
.prose h2 { margin-top: 30px; }
.prose li { margin-bottom: 6px; }

.foot { color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); margin-top: 48px; padding-top: 18px; padding-bottom: 34px; }
.foot p { margin: 4px 0; }

/* City tabs */
.tabs { display: flex; gap: 4px; margin: 0 0 18px; border-bottom: 1px solid var(--line); overflow-x: auto; white-space: nowrap; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tabs a, .tabs span { padding: 9px 14px; font-size: 15px; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a { color: var(--muted); }
.tabs a:hover { color: var(--ink); }
.tabs .on { color: var(--cyan); border-bottom-color: var(--cyan); font-weight: 600; }

/* Night sky */
.big .val.small-val { font-size: 20px; }
.planets th { white-space: nowrap; color: var(--ink); font-weight: 500; }
.planets td { text-align: left; font-family: inherit; color: var(--muted); white-space: normal; }
.planets td:nth-child(2) { font-family: var(--mono); color: var(--ink); white-space: nowrap; }
.planet { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 9px; vertical-align: 0; box-shadow: 0 0 8px currentColor; }
.planet.p0 { background: #9aa0ad; color: #9aa0ad; }
.planet.p1 { background: #e6c65a; color: #e6c65a; }
.planet.p2 { background: #e5603d; color: #e5603d; }
.planet.p3 { background: #d4a86a; color: #d4a86a; }
.planet.p4 { background: #c9a83f; color: #c9a83f; }
.eclipses li { padding: 6px 0; color: var(--ink); }
.table th { font-weight: 500; }
.table tbody th { text-align: left; color: var(--ink); white-space: nowrap; }

/* Waves trend */
.bars { display: flex; align-items: flex-end; gap: 2px; height: 120px; padding-top: 6px; }
.bars span { flex: 1; background: linear-gradient(180deg, var(--cyan), rgba(47, 143, 216, 0.35)); border-radius: 3px 3px 0 0; min-width: 2px; }
.card .ticks { display: flex; justify-content: space-between; font: 12px var(--mono); color: var(--muted); margin-top: 6px; }

/* Tides */
.tides-cell { white-space: normal !important; }
.tide { display: inline-block; margin: 2px 16px 2px 0; font-family: var(--mono); }
.tide em { font-style: normal; color: var(--muted); font-size: 13px; }
.tide.hi { color: var(--cyan); }
.tide.lo { color: var(--violet); }
@media (max-width: 520px) {
  .hide-s { display: none; }
  .wrap-s { white-space: normal !important; }
  /* Meteor showers become stacked cards on phones. */
  .showers thead { display: none; }
  .showers, .showers tbody, .showers tr { display: block; }
  .showers tr { padding: 12px 14px; border-bottom: 1px solid var(--line); }
  .showers tbody tr:last-child { border-bottom: 0; }
  .showers th, .showers td { display: block; padding: 2px 0; border: 0; white-space: normal; }
  .showers th { font-size: 16px; color: var(--cyan) !important; }
  .showers td[data-label]::before { content: attr(data-label) ": "; color: var(--muted); font-family: "Space Grotesk", sans-serif; }
  .tabs a, .tabs span { padding: 8px 10px; font-size: 14px; }
}

@media (max-width: 860px) {
  .hero { grid-template-columns: repeat(2, 1fr); }
  .grid { grid-template-columns: 1fr; }
  .countries { grid-template-columns: repeat(2, 1fr); }
  .cols { columns: 2; }
  .intro h1 { font-size: 40px; }
}
@media (max-width: 520px) {
  h1 { font-size: 28px; letter-spacing: -0.6px; }
  .intro h1 { font-size: 32px; }
  .big { padding: 14px; }
  .big .val { font-size: 22px; }
  .countries { grid-template-columns: 1fr; }
  .top nav a { margin-left: 16px; }
  .sky .ticks span:nth-child(even) { visibility: hidden; }
}

/* Light pollution level badge */
.lightline { font-size: 16px; }
.lvl { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-right: 6px; }
.lvl1 { background: #e3f5ec; color: #2f7d57; }
.lvl2 { background: #e6f0fb; color: #2f6db0; }
.lvl3 { background: #fff4df; color: #a86a12; }
.lvl4 { background: #ffe9dc; color: #b8541f; }
.lvl5 { background: #fde3e3; color: #b23a3a; }

/* Milky Way season meter */
.meter { display: inline-block; width: 140px; height: 8px; border-radius: 4px; background: #e8eef7; overflow: hidden; vertical-align: middle; }
.meter span { display: block; height: 100%; background: linear-gradient(90deg, var(--violet), var(--cyan)); }
.season td { text-align: left; }

/* Calendar */
.monthnav { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.btn { display: inline-block; border: 1px solid rgba(47, 143, 216, 0.35); background: #fff; color: var(--link); border-radius: 999px; padding: 5px 14px; font: inherit; font-size: 14px; cursor: pointer; }
.btn:hover { background: rgba(47, 143, 216, 0.08); text-decoration: none; }
.solunar td { white-space: nowrap; vertical-align: top; }
.seasons-kv td { text-align: left; }

/* Sun path */
.sp-controls { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-bottom: 12px; font-size: 14px; color: var(--muted); }
.sp-controls input { font: inherit; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 4px 8px; background: #fff; }
.sp-controls input[type="range"] { vertical-align: middle; width: 180px; padding: 0; }
.sp-controls input[type="number"] { width: 72px; }
.sp-wrap { display: grid; grid-template-columns: 300px 1fr; gap: 20px; align-items: center; }
#sp-svg { width: 100%; max-width: 300px; }
.sp-horizon { fill: #eef5fd; stroke: #9cb8dc; stroke-width: 1; }
.sp-ring { fill: none; stroke: #d3e1f2; stroke-width: 0.6; }
.sp-lbl { font: 9px var(--mono); fill: var(--muted); text-anchor: middle; }
.sp-path { fill: none; stroke: var(--gold); stroke-width: 2; stroke-linecap: round; }
.sp-sun { fill: #ffb547; stroke: #fff; stroke-width: 1.5; }
.sp-shadow { stroke: #6a7b95; stroke-width: 2; stroke-dasharray: 3 2; }
@media (max-width: 640px) { .sp-wrap { grid-template-columns: 1fr; justify-items: center; } }

@media print {
  .top, .tabs, .crumbs, .foot, .monthnav .btn, .sky, script { display: none !important; }
  body { background: #fff; }
  .scroll, .card, .big { box-shadow: none; border-color: #ccc; }
  .table th, .table td { padding: 4px 6px; font-size: 11px; }
  .hide-s { display: table-cell !important; }
}