/* riverlvl — stylesheet.
   Hand-maintained, lives at the repo root (not in _generator/) and is copied
   into the deploy directory by scripts/stage.sh, matching lakelvl's layout.
   Cache-busted by content hash from build.js. */

:root {
  --bg: #f7fafc;
  --card: #ffffff;
  --ink: #10222f;
  --ink-2: #33505f;
  --mut: #5f7686;
  --line: #dde6ec;
  --line-2: #eef3f6;

  /* Series palette — validated with the dataviz checker on a light surface. */
  --blue: #2a78d6;
  --blue-dk: #1c5da9;
  --green: #008300;

  /* Flood severity: one hue, monotonic lightness, all >= 3:1 on white. */
  --sev-action: #d97066;
  --sev-minor: #d15f54;
  --sev-moderate: #b93b30;
  --sev-major: #8f1f16;

  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 34, 47, .05), 0 4px 14px rgba(16, 34, 47, .04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }
a { color: var(--blue-dk); }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.015em; }
h1 { font-size: clamp(26px, 4vw, 36px); margin: 6px 0 4px; }
h2 { font-size: 21px; margin: 0 0 12px; }
h3 { font-size: 16.5px; margin: 0 0 6px; }
p { margin: 0 0 12px; }
.mut, .fine { color: var(--mut); font-size: 13.5px; }
.lede { font-size: 17.5px; color: var(--ink-2); max-width: 66ch; }

/* ---------------------------------------------------------------- chrome */
.site-head { background: #0f3f6b; color: #fff; }
.site-head .nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 58px; }
.brand { color: #fff; text-decoration: none; font-weight: 800; font-size: 20px; letter-spacing: -.02em; }
.brand span { color: #8dc4f0; }
.site-head nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-head nav a { color: #d6e8f7; text-decoration: none; font-size: 14.5px; font-weight: 600; }
.site-head nav a:hover { color: #fff; }

.title-sponsor { background: #e8f2fb; border-bottom: 1px solid #cfe3f5; text-align: center; padding: 7px 16px; font-size: 13.5px; color: var(--ink-2); }

main { padding: 22px 0 48px; }
.crumbs { font-size: 13.5px; color: var(--mut); margin-bottom: 10px; }
.crumbs a { color: var(--mut); }

.site-foot { background: #0e2c48; color: #b9cfe0; padding: 30px 0 44px; margin-top: 40px; font-size: 14px; }
.site-foot a { color: #9ecdf2; }
.site-foot .fine { color: #8fa9bd; font-size: 12.5px; max-width: 78ch; }

/* --------------------------------------------------------------- sections */
main > section, .state-grid, table.hub, .hero { margin-bottom: 26px; }
main > section {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow);
}
main > section > h2 { margin-top: 0; }

/* ------------------------------------------------------- gauge head/reading */
.gauge-head .loc { color: var(--mut); font-size: 14.5px; margin: 0 0 16px; }
.use-tag { display: inline-block; font-size: 12px; font-weight: 700; padding: 2px 9px; border-radius: 99px; background: #e8eff4; color: var(--ink-2); }
.use-float { background: #dcefff; color: #0f5289; }
.use-paddle { background: #e4e6ff; color: #38409e; }
.use-fish { background: #dcf3e2; color: #1a6634; }
.use-flood { background: #fde7e3; color: #9a2d24; }

.reading { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 18px; }
.big { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
#bigVal { font-size: clamp(44px, 9vw, 68px); font-weight: 800; letter-spacing: -.03em; line-height: 1; }
#bigVal.muted-load { color: #b8c6d0; }
.unit { font-size: 20px; font-weight: 700; color: var(--mut); }
.read-at { color: var(--mut); font-size: 13.5px; margin: 10px 0 0; }

.pct { display: inline-block; font-size: 13px; font-weight: 700; padding: 4px 11px; border-radius: 99px; background: #eef3f7; color: var(--ink-2); white-space: nowrap; }
.pct-very-low { background: #fbe4d3; color: #8a4212; }
.pct-low { background: #fdeedd; color: #8a4b16; }
.pct-below-normal { background: #fdf5e3; color: #7d5f14; }
.pct-normal { background: #e2f2e6; color: #1a6634; }
.pct-above-normal { background: #e2ecfb; color: #17548f; }
.pct-high { background: #d8e4f8; color: #123f78; }
.pct-very-high { background: #fde2de; color: #8f1f16; }

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-2); }
.stat span { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--mut); margin-bottom: 3px; }
.stat b { font-size: 18px; font-weight: 700; }
.stat small { font-weight: 500; color: var(--mut); font-size: 12.5px; }
.stat-alert b { color: var(--sev-major); }

/* -------------------------------------------------------------- verdict */
.verdict { border-left: 5px solid var(--blue); }
.verdict-head { font-size: 19px; margin: 0 0 8px; }
.verdict p { max-width: 72ch; }
.verdict-fine { color: var(--mut); font-size: 12.5px; margin-bottom: 0; }
.verdict-low { border-left-color: #c07a25; }
.verdict-below { border-left-color: #c9a227; }
.verdict-normal { border-left-color: var(--green); }
.verdict-above { border-left-color: var(--blue); }
.verdict-high { border-left-color: var(--blue-dk); }
.verdict-action { border-left-color: var(--sev-action); background: #fff8f7; }
.verdict-minor { border-left-color: var(--sev-minor); background: #fff6f5; }
.verdict-moderate { border-left-color: var(--sev-moderate); background: #fff4f2; }
.verdict-major { border-left-color: var(--sev-major); background: #fff2f0; }
.verdict-action .verdict-head, .verdict-minor .verdict-head,
.verdict-moderate .verdict-head, .verdict-major .verdict-head { color: var(--sev-major); }

/* ---------------------------------------------------------- flood ladder */
.ladder { list-style: none; margin: 0 0 12px; padding: 0; }
.cat { border: 1px solid var(--line); border-left: 5px solid var(--line); border-radius: 8px; padding: 10px 13px; margin-bottom: 8px; background: #fcfdfe; }
.cat-action { border-left-color: var(--sev-action); }
.cat-minor { border-left-color: var(--sev-minor); }
.cat-moderate { border-left-color: var(--sev-moderate); }
.cat-major { border-left-color: var(--sev-major); }
.cat-now { border-left-color: var(--blue); background: #f2f8fd; }
.cat.reached { background: #fff6f5; }
.cat-head { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.cat-name { font-weight: 700; }
.cat-stage { color: var(--ink-2); font-variant-numeric: tabular-nums; }
.cat-flag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; background: var(--sev-major); color: #fff; padding: 2px 7px; border-radius: 4px; }
.impacts { margin: 8px 0 0; padding-left: 18px; font-size: 14.5px; color: var(--ink-2); }
.impacts li { margin-bottom: 4px; }
.impacts b { font-variant-numeric: tabular-nums; color: var(--ink); }
.fcst { background: #f2f8fd; border: 1px solid #cfe3f5; border-radius: 8px; padding: 10px 13px; font-size: 14.5px; margin: 0; }

/* ---------------------------------------------------------------- charts */
.chart-wrap { position: relative; height: 300px; }
.chart-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--mut); font-size: 14px; background: rgba(255,255,255,.7); }
/* display:flex above beats the [hidden] attribute's default display:none, so
   the overlay would sit on top of a perfectly good chart. Restate it. */
.chart-loading[hidden] { display: none; }
.chart-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 8px; }
.chart-tabs button { font: inherit; font-size: 13.5px; font-weight: 600; padding: 6px 13px; border: 1px solid var(--line); background: #fff; color: var(--ink-2); border-radius: 99px; cursor: pointer; }
.chart-tabs button.on { background: var(--blue); border-color: var(--blue); color: #fff; }

/* --------------------------------------------------------------- tables */
table { width: 100%; border-collapse: collapse; font-size: 15px; }
table.hub, table.crests { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
th { text-align: left; padding: 10px 12px; background: #f1f6fa; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--mut); border-bottom: 1px solid var(--line); }
td { padding: 10px 12px; border-top: 1px solid var(--line-2); vertical-align: top; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tbody tr:hover td { background: #f8fbfd; }
td small { display: block; color: var(--mut); font-size: 12.5px; }

/* ----------------------------------------------------------------- lists */
.gauge-list, .lake-list, .chip-list { list-style: none; margin: 0; padding: 0; }
.gauge-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 6px; }
.gauge-list a { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; text-decoration: none; color: var(--ink); padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 14.5px; }
.gauge-list a:hover { border-color: var(--blue); background: #f6fbff; }
.gauge-list span { color: var(--mut); font-size: 12.5px; white-space: nowrap; }
.gauge-list li.alert a { border-color: #f0c4bd; background: #fff7f6; }

.lake-list a { display: block; text-decoration: none; color: var(--ink); padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; margin-bottom: 8px; }
.lake-list a:hover { border-color: var(--blue); background: #f6fbff; }
.lake-list b { display: block; font-size: 16px; }
.lake-list span { color: var(--mut); font-size: 13px; }
.crosslink { border-left: 5px solid var(--green); }

.chip-list { display: flex; flex-wrap: wrap; gap: 7px; }
.chip-list a { display: inline-flex; align-items: baseline; gap: 6px; text-decoration: none; color: var(--ink-2); background: #fff; border: 1px solid var(--line); border-radius: 99px; padding: 5px 13px; font-size: 14px; }
.chip-list a:hover { border-color: var(--blue); color: var(--blue-dk); }
.chip-list small { color: var(--mut); font-size: 12px; }
.chip-list.big a { font-size: 15px; padding: 8px 16px; }
.more { font-weight: 600; font-size: 14.5px; text-decoration: none; }

/* ------------------------------------------------------------------- FAQ */
.faq-item { border-top: 1px solid var(--line-2); padding: 13px 0; }
.faq-item:first-of-type { border-top: 0; padding-top: 0; }
.faq-item p { margin: 0; color: var(--ink-2); max-width: 74ch; }
.blurb { max-width: 74ch; color: var(--ink-2); }

/* --------------------------------------------------------------- sponsor */
.sponsor { border: 1px dashed #b9d4ea !important; background: #f7fbfe !important; text-align: center; }
.sponsor.sold { border-style: solid !important; }
.sponsor-eyebrow { font-size: 11.5px; text-transform: uppercase; letter-spacing: .07em; color: var(--mut); font-weight: 700; margin-bottom: 4px; }
.sponsor p { max-width: 56ch; margin-left: auto; margin-right: auto; color: var(--ink-2); font-size: 15px; }
.sponsor-cta { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin: 14px 0 8px; }
.sponsor-logo { max-height: 64px; margin: 4px auto 10px; display: block; }
.sponsor-fine { font-size: 12.5px; color: var(--mut); margin: 0; }
.btn, .btn-sponsor { font: inherit; font-weight: 700; font-size: 15px; padding: 10px 20px; border-radius: 9px; border: 0; cursor: pointer; text-decoration: none; display: inline-block; background: var(--blue); color: #fff; }
.btn-sponsor.alt { background: #fff; color: var(--blue-dk); border: 1px solid var(--blue); }
.btn-sponsor span { font-weight: 500; opacity: .85; }

/* ------------------------------------------------------------ home/index */
.hero { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow); }
.hero h1 { margin-top: 0; }
#q { width: 100%; max-width: 520px; font: inherit; font-size: 16px; padding: 12px 15px; border: 1px solid var(--line); border-radius: 10px; margin-top: 14px; }
#q:focus { outline: 2px solid var(--blue); outline-offset: 1px; border-color: var(--blue); }
.state-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.state-block { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 15px 17px; box-shadow: var(--shadow); }
.state-block h3 { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; }
.state-block h3 a { text-decoration: none; }
.state-block h3 small { color: var(--mut); font-weight: 500; font-size: 13px; }
.state-block .gauge-list { grid-template-columns: 1fr; }
.alerts { border-left: 5px solid var(--sev-moderate); }
.pitch { background: #f2f8fd !important; border-color: #cfe3f5 !important; }

/* ------------------------------------------------------------ embed tool */
.embed-tool textarea { width: 100%; font: 13px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; padding: 11px 13px; border: 1px solid var(--line); border-radius: 9px; resize: vertical; background: #fbfdfe; }
pre { background: #0e2c48; color: #dbe9f5; padding: 15px 17px; border-radius: 10px; overflow-x: auto; font-size: 13px; line-height: 1.55; }
pre code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

@media (max-width: 620px) {
  .site-head .nav { height: auto; padding: 10px 0; flex-direction: column; align-items: flex-start; gap: 8px; }
  main > section { padding: 15px 16px; }
  .gauge-list { grid-template-columns: 1fr; }
  th, td { padding: 9px 10px; font-size: 14px; }
}

@media print {
  .site-head, .chart-tabs, .sponsor, .embed-tool, .title-sponsor { display: none; }
  body { background: #fff; }
}

/* The measuring point is often a mile or two from the town in the URL —
   say so plainly rather than letting the H1 imply otherwise. */
.station { font-size: 13.5px; color: var(--mut); margin: -6px 0 16px; }
.station a { color: var(--mut); text-decoration: underline; text-underline-offset: 2px; }
.station a:hover { color: var(--blue-dk); }