/* SHORE portal. Palette follows the water banner (assets/water-banner.svg). */

:root {
  --bg: #F2F6F7;
  --surface: #FFFFFF;
  --surface-2: #E8EFF1;
  --rule: #C2D3D8;
  --ink: #0B2B3C;
  --ink-2: #4A6A75;
  --ink-3: #6B8792;
  --accent: #1C6E8C;        /* water / primary series */
  --accent-soft: rgba(28, 110, 140, 0.14);
  --warm: #C4622D;          /* mean line, highlights */
  --ok: #2E7D4F;
  --warn: #A86A00;
  --bad: #B3261E;
  --idle: #8A9BA1;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(11, 43, 60, 0.06), 0 4px 16px rgba(11, 43, 60, 0.05);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0C1B22;
    --surface: #10242D;
    --surface-2: #163039;
    --rule: #24404B;
    --ink: #EAF4F7;
    --ink-2: #9DBAC4;
    --ink-3: #6E909C;
    --accent: #63C0D8;
    --accent-soft: rgba(99, 192, 216, 0.16);
    --warm: #E8935C;
    --ok: #5CC28A;
    --warn: #E0A93B;
    --bad: #F2726A;
    --idle: #5C7C88;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0C1B22;
  --surface: #10242D;
  --surface-2: #163039;
  --rule: #24404B;
  --ink: #EAF4F7;
  --ink-2: #9DBAC4;
  --ink-3: #6E909C;
  --accent: #63C0D8;
  --accent-soft: rgba(99, 192, 216, 0.16);
  --warm: #E8935C;
  --ok: #5CC28A;
  --warn: #E0A93B;
  --bad: #F2726A;
  --idle: #5C7C88;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --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: 15px/1.5 var(--sans);
}
a { color: var(--accent); }
img { max-width: 100%; display: block; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 16px; }

/* ---------- header ---------- */
.masthead { padding: 28px 0 18px; border-bottom: 1px solid var(--rule); }
.masthead .wrap { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: end; justify-content: space-between; }
.brand { display: flex; gap: 14px; align-items: center; }
.brand svg { width: 44px; height: 44px; flex: none; color: var(--accent); }
.brand h1 { margin: 0; font: 700 44px/1 var(--mono); letter-spacing: 1px; }
.brand h1 .line { margin-left: 4px; font: italic 200 36px/1 var(--sans); letter-spacing: 0; color: var(--accent); }
.brand svg { width: 56px; height: 56px; }
.brand p { margin: 4px 0 0; color: var(--ink-2); font-size: 14px; }
.status { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0; padding: 0; list-style: none; font: 12px var(--mono); color: var(--ink-2); }
.status li { display: flex; align-items: center; gap: 6px; }

.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--idle); flex: none; }
.dot.ok { background: var(--ok); }
.dot.warn { background: var(--warn); }
.dot.bad { background: var(--bad); }

/* ---------- grid ---------- */
main { padding: 24px 0 48px; }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 20px; align-items: start; }
.span-12 { grid-column: span 12; }
.span-7 { grid-column: span 7; }
.span-5 { grid-column: span 5; }
@media (max-width: 960px) {
  .span-7, .span-5 { grid-column: span 12; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  min-width: 0;
}
.panel-head { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.panel h2 { margin: 0; font: 600 12px var(--mono); letter-spacing: 2px; text-transform: uppercase; color: var(--ink-2); }
.meta { font: 12px var(--mono); color: var(--ink-3); }
.note { color: var(--ink-3); font-size: 13px; margin: 10px 0 0; }
.badge {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font: 600 11px var(--mono); letter-spacing: .5px;
  background: var(--surface-2); color: var(--ink-2);
}
.badge.warn { color: var(--warn); }
.badge.bad { color: var(--bad); }

/* ---------- webcam ---------- */
.cam-hero { position: relative; border-radius: 8px; overflow: hidden; background: var(--surface-2); aspect-ratio: 16 / 9; }
.cam-hero img { width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; }
.cam-hero .stamp {
  position: absolute; left: 10px; bottom: 10px;
  background: rgba(11, 27, 34, .72); color: #EAF4F7;
  font: 12px var(--mono); padding: 4px 8px; border-radius: 6px;
}

dialog.lightbox { border: 0; padding: 0; background: transparent; max-width: min(96vw, 1400px); }
dialog.lightbox::backdrop { background: rgba(5, 15, 20, .85); }
dialog.lightbox img { max-height: 86vh; border-radius: 8px; margin: 0 auto; }
dialog.lightbox p { color: #EAF4F7; font: 13px var(--mono); text-align: center; margin: 8px 0 0; }

/* tankcam AI caption */
.caption { margin-top: 12px; padding: 10px 12px; border-left: 3px solid var(--accent); background: var(--surface-2); border-radius: 0 8px 8px 0; }
.caption-head { font: 12px var(--mono); color: var(--ink-3); }
.caption p { margin: 6px 0 0; font-size: 14px; }
.caption-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.caption .caption-foot { font-size: 11.5px; color: var(--ink-3); }

/* ---------- field water ---------- */
.hero-num { display: flex; align-items: baseline; gap: 6px; }
.hero-num strong { font: 700 56px/1 var(--mono); letter-spacing: -2px; }
.hero-num span { font: 600 22px var(--mono); color: var(--accent); }
.hero-sub { margin: 6px 0 0; font: 13px var(--mono); color: var(--ink-2); }
.chart { position: relative; margin-top: 16px; }
.chart svg { display: block; width: 100%; height: 220px; overflow: visible; }
.chart .grid-line { stroke: var(--rule); stroke-width: 1; }
.chart .axis { fill: var(--ink-3); font: 11px var(--mono); }
.chart .trace { stroke: var(--accent); stroke-width: 2; fill: none; stroke-linejoin: round; stroke-linecap: round; }
.chart .area { fill: var(--accent-soft); }
.chart .mean { stroke: var(--warm); stroke-width: 1.2; stroke-dasharray: 6 4; }
.chart .mean-label { fill: var(--ink-2); font: 600 11px var(--mono); paint-order: stroke; stroke: var(--surface); stroke-width: 4px; stroke-linejoin: round; }
.chart .cross { stroke: var(--ink-3); stroke-width: 1; }
.chart .hover-dot { fill: var(--accent); stroke: var(--surface); stroke-width: 2; }
.chart .last-dot { fill: var(--accent); stroke: var(--surface); stroke-width: 2; }
.tooltip {
  position: absolute; pointer-events: none; transform: translate(-50%, -100%);
  background: var(--ink); color: var(--bg); font: 12px var(--mono);
  padding: 5px 8px; border-radius: 6px; white-space: nowrap; margin-top: -10px;
}
.banner-link { margin-top: 12px; font-size: 13px; }

/* ---------- tank temperatures ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.card { border: 1px solid var(--rule); border-radius: 10px; padding: 14px; background: var(--surface); }
.card.placeholder { border-style: dashed; background: transparent; }
.card h3 { margin: 0 0 8px; font: 600 14px var(--sans); }
.card .reading { font: 700 30px/1.1 var(--mono); color: var(--ink-3); }
.card.live .reading { color: var(--ink); }
.card.live svg.spark path { stroke: var(--accent); stroke-dasharray: none; }
.card .reading small { font-size: 15px; font-weight: 600; }
.card .sub { font: 12px var(--mono); color: var(--ink-3); margin-top: 6px; }
.card svg.spark { width: 100%; height: 32px; margin-top: 8px; }
.card svg.spark path { stroke: var(--idle); stroke-width: 1.5; fill: none; stroke-dasharray: 3 4; }

/* ---------- water quality ---------- */
.table-scroll { overflow-x: auto; }
table.wq { width: 100%; border-collapse: collapse; font: 12.5px var(--mono); }
table.wq th, table.wq td { padding: 7px 5px; text-align: right; border-bottom: 1px solid var(--rule); white-space: nowrap; }
table.wq th:first-child, table.wq td:first-child { text-align: left; }
table.wq thead th { color: var(--ink-3); font-weight: 600; font-size: 11px; letter-spacing: .5px; }
table.wq td.flag { color: var(--warn); font-weight: 700; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; border: 1px solid var(--rule); }

.posts { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.post { border: 1px solid var(--rule); border-radius: 10px; padding: 12px 14px; }
.post a.title { font-weight: 600; text-decoration: none; color: var(--ink); }
.post a.title:hover { color: var(--accent); text-decoration: underline; }
.post .meta { margin: 2px 0 6px; }
.post p { margin: 0; font-size: 13.5px; color: var(--ink-2); }
.posts.nb-grid { grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr)); }

/* ---------- water-quality history ---------- */
.wqh-controls { display: flex; flex-wrap: wrap; gap: 8px 20px; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font: 12px var(--mono); color: var(--ink-2); margin: 0; padding: 0; list-style: none; }
.legend li { display: flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }
.wqh .chart svg { height: 260px; }
.wqh .series path { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.wqh .series circle { stroke: var(--surface); stroke-width: 2; }
.wqh .end-label { font: 600 11px var(--mono); fill: var(--ink-2); paint-order: stroke; stroke: var(--surface); stroke-width: 4px; stroke-linejoin: round; }
.wqh .gap-note { fill: var(--ink-3); font: 10px var(--mono); }
.tooltip.multi { white-space: normal; min-width: 150px; text-align: left; }
.tooltip.multi b { display: block; margin-bottom: 2px; }
.tooltip.multi i { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }

/* ---------- research ---------- */
.featured { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin-bottom: 18px; }
.feature { border: 1px solid var(--rule); border-radius: 10px; padding: 16px; background: var(--surface-2); }
.feature.placeholder { border-style: dashed; background: transparent; }
.feature h3 { margin: 6px 0; font-size: 16px; line-height: 1.35; }
.feature h3 a { color: var(--ink); text-decoration: none; }
.feature h3 a:hover { color: var(--accent); text-decoration: underline; }
.feature p { margin: 0; font-size: 13px; color: var(--ink-2); }
.filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.filters button {
  font: 12px var(--mono); padding: 4px 10px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--rule); background: transparent; color: var(--ink-2);
}
.filters button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--surface); }
.pubs { list-style: none; margin: 0; padding: 0; }
.pubs li { padding: 10px 0; border-bottom: 1px solid var(--rule); display: flex; gap: 12px; align-items: baseline; }
.pubs li:last-child { border-bottom: 0; }
.pubs .yr { font: 12px var(--mono); color: var(--ink-3); flex: none; width: 3em; }
.pubs a { font-weight: 600; text-decoration: none; }
.pubs a:hover { text-decoration: underline; }
.pubs .by { font-size: 13px; color: var(--ink-2); }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--rule); padding: 20px 0 32px; color: var(--ink-3); font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

.skeleton { color: var(--ink-3); font: 13px var(--mono); padding: 24px 0; text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }