:root {
  --bg: #04181C; --raised: #0A2329; --line: #1C4650; --fg: #F8F7F4; --muted: #94B5BD;
  --accent: #34B7DD; --teal: #2D7388; --warn: #F2C572; --bad: #F2A0A0;
  --display: "Chakra Petch", "Segoe UI", sans-serif; --body: "IBM Plex Sans", system-ui, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 400 16px/1.55 var(--body); }
a { color: var(--accent); }
.wrap { width: min(1280px, 100%); margin: 0 auto; padding: 0 16px; }
.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding-block: 16px; }
.brand { color: var(--fg); font: 600 20px/1.2 var(--display); letter-spacing: .03em; text-decoration: none; }
nav { display: flex; gap: 4px; }
nav a { padding: 8px 12px; color: var(--muted); font-weight: 500; text-decoration: none; border-radius: 4px; }
nav a:hover { color: var(--fg); background: var(--raised); }
nav a[aria-current="page"] { color: var(--accent); }
.net { display: inline-block; padding: 3px 9px; border: 1px solid var(--warn); color: var(--warn); font: 500 12px/1.4 var(--body); border-radius: 3px; }
h1 { margin: 12px 0 10px; font: 600 clamp(30px, 6vw, 52px)/1.1 var(--display); letter-spacing: .01em; text-wrap: balance; }
.lead { margin: 0; max-width: 62ch; color: var(--muted); font-size: 18px; }
.hero { padding-block: 20px 28px; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1px; margin: 24px 0 0; background: var(--line); border: 1px solid var(--line); }
.facts div { padding: 14px 16px; background: var(--bg); }
.facts dt { color: var(--muted); font-size: 13px; }
.facts dd { margin: 2px 0 0; font: 600 21px/1.25 var(--display); }
.bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-block: 12px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filters button { min-height: 40px; padding: 7px 13px; border: 1px solid var(--line); border-radius: 4px; background: none; color: var(--fg); font: 500 14px/1.2 var(--body); cursor: pointer; }
.filters button:hover { border-color: var(--teal); }
.filters button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.count { color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; padding-bottom: 40px; }
.tile { display: block; width: 100%; padding: 0; border: 1px solid var(--line); background: var(--raised); color: var(--fg); text-align: left; cursor: pointer; font: inherit; }
.tile:hover { border-color: var(--accent); }
.tile img { display: block; width: 100%; height: auto; aspect-ratio: 1; background: var(--bg); }
.tile span { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 8px; padding: 7px 9px; font-size: 13px; }
.tile b { font-weight: 500; font-variant-numeric: tabular-nums; }
.tile i { color: var(--muted); font-style: normal; }
button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
dialog { width: min(760px, 100vw - 16px); max-height: calc(100dvh - 16px); padding: 0; border: 1px solid var(--teal); background: var(--bg); color: var(--fg); overflow: auto; }
dialog::backdrop { background: rgba(0, 10, 13, .82); }
.frame { display: block; width: 100%; aspect-ratio: 1 / 1.03; max-height: calc(100dvh - 90px); border: 0; background: var(--bg); }
.dhead { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; padding: 10px 12px; }
.dhead strong { font: 600 18px/1.3 var(--display); }
.dhead small { display: block; color: var(--muted); font: 400 13px/1.3 var(--body); }
.dhead div:last-child { display: flex; gap: 6px; }
.dbtn { min-width: 44px; min-height: 40px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 4px; background: none; color: var(--fg); font: 500 14px/1 var(--body); cursor: pointer; }
.dbtn:hover { border-color: var(--accent); }
.panel { max-width: 640px; margin: 8px 0 48px; padding: 20px; border: 1px solid var(--line); background: var(--raised); }
.panel h2 { margin: 0 0 4px; font: 600 22px/1.25 var(--display); }
.stat { margin: 0 0 16px; color: var(--muted); font-variant-numeric: tabular-nums; }
.meter { height: 8px; margin: 10px 0 18px; background: var(--bg); border: 1px solid var(--line); }
.meter i { display: block; height: 100%; width: 0; background: var(--accent); }
.row { display: flex; flex-wrap: wrap; align-items: end; gap: 10px; }
label { display: grid; gap: 4px; color: var(--muted); font-size: 14px; }
select { min-height: 46px; min-width: 96px; padding: 0 10px; border: 1px solid var(--teal); border-radius: 4px; background: var(--bg); color: var(--fg); font: 500 16px var(--body); }
.go { min-height: 46px; padding: 0 22px; border: 0; border-radius: 4px; background: var(--accent); color: #04181C; font: 600 16px var(--display); cursor: pointer; }
.go:hover { background: #63CAE8; }
.go:disabled { background: var(--line); color: var(--muted); cursor: not-allowed; }
.msg { min-height: 24px; margin: 14px 0 0; overflow-wrap: anywhere; }
.msg.bad { color: var(--bad); }
.msg.warn { color: var(--warn); }
.notes { margin: 18px 0 0; padding-left: 20px; color: var(--muted); font-size: 14px; }
footer { padding-block: 22px 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
@media (max-width: 480px) {
  .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lead { font-size: 16px; }
}