/* Sea State Explorer - fixed light theme (public site + print/PDF stay light). */

:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #6b6964;
  --grid: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #1f66b8;
  --accent-deep: #14304a;
  --demo-bg: #fff4d6;
  --demo-border: #eda100;
  --demo-ink: #6d5100;
}

* { box-sizing: border-box; }

/* The hidden attribute must always win: any class that sets display (e.g.
   .tm-charts { display: grid }) otherwise overrides the UA's [hidden] rule,
   and a data-gated section renders as an empty caption + note. First seen
   live: diurnal / cyclone / ENSO rows on a dataset without those layers. */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.45;
}

/* The map and the charts are the reason for the width. Prose keeps its own
   max-width caps below so lines never run long enough to be hard to read. */
#tm-app { max-width: 1560px; margin: 0 auto; padding: 18px 20px 40px; }

/* Header */
.tm-header { padding: 4px 2px 10px; }
.tm-brand { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.tm-brand-name { font-weight: 700; letter-spacing: 0.14em; color: var(--accent-deep); font-size: 15px; }
/* The logo carries its own colours, so it is never themed. aspect-ratio holds
   the space before the file loads and stops the header jumping. */
.tm-brand-mark { display: block; line-height: 0; align-self: center; }
.tm-brand-mark img { display: block; height: 34px; width: auto; aspect-ratio: 1200 / 283; }
@media (max-width: 560px) { .tm-brand-mark img { height: 26px; } }
.tm-brand-sep { width: 1px; height: 14px; background: var(--baseline); align-self: center; }
.tm-brand-tool { font-weight: 600; font-size: 19px; margin: 0; }
.tm-tagline { margin: 6px 0 0; color: var(--ink-2); max-width: 640px; }

/* Data source banner */
.tm-banner {
  margin: 10px 0 0;
  padding: 9px 12px;
  border: 1px solid var(--demo-border);
  background: var(--demo-bg);
  color: var(--demo-ink);
  border-radius: 8px;
  font-size: 13.5px;
}
.tm-banner.tm-banner-live {
  border-color: var(--grid);
  background: var(--surface);
  color: var(--ink-2);
}

/* Map */
/* Hero: map left, controls + the answer right (Ben, 31 Aug 26). The rail
   keeps the headline beside the map so choosing a spot and reading the
   result never needs a scroll; the full story stays below. */
.tm-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 16px;
  align-items: start;
  margin-top: 14px;
}
.tm-hero .tm-map-card { margin-top: 0; min-width: 0; }
.tm-hero .tm-map-wrap { height: 520px; }
.tm-side { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.tm-side .tm-controls { margin-top: 0; flex-direction: column; align-items: stretch; }
.tm-side-answer {
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}
/* the headline is already inside the rail card: no card-in-card chrome */
.tm-side-answer .tm-headline {
  margin-top: 10px;
  padding: 0;
  background: none;
  border: none;
}
@media (max-width: 980px) {
  .tm-hero { grid-template-columns: 1fr; }
  .tm-hero .tm-map-wrap { height: 430px; }
  .tm-side .tm-controls { flex-direction: row; align-items: flex-end; }
}
@media (max-width: 760px) {
  .tm-hero .tm-map-wrap { height: 340px; }
}

.tm-map-card { margin-top: 14px; }
.tm-map-wrap {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #e6edf4;
  height: 430px;
}
#tm-map { display: block; width: 100%; height: 100%; cursor: crosshair; touch-action: none; }

.tm-map-zoom {
  position: absolute; top: 10px; right: 10px;
  display: flex; flex-direction: column; gap: 6px;
}
.tm-map-zoom button {
  width: 30px; height: 30px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--surface);
  color: var(--ink);
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
}
.tm-map-zoom button:hover { background: #f1f0ec; }
.tm-map-zoom button[aria-pressed="true"] {
  background: var(--accent-deep);
  border-color: var(--accent-deep);
  color: #fff;
}

.tm-map-legend {
  position: absolute; bottom: 10px; left: 10px;
  background: rgba(252, 252, 251, 0.92);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 9px;
  font-size: 11px;
  color: var(--ink-2);
  display: flex; flex-direction: column; gap: 3px;
  width: 118px;
}
/* Prose, so it is capped for reading length rather than following the
   shell width. Wide is for the map and the charts, not for sentences. */
.tm-context { margin-top: 4px; padding: 0 2px; max-width: 105ch; }
.tm-dir-arrow {
  display: inline-block;
  transform-origin: 50% 50%;
  color: var(--accent-deep);
  font-weight: 600;
}

.tm-map-hint {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  background: rgba(20, 48, 74, 0.88);
  color: #fff;
  padding: 6px 14px;
  border-radius: 16px;
  font-size: 13px;
  pointer-events: none;
  white-space: nowrap;
}
.tm-map-coords {
  position: absolute; bottom: 10px; right: 10px;
  background: rgba(252, 252, 251, 0.92);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 4px 9px;
  font-size: 12px;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}

.tm-layer-toggles {
  display: flex; flex-wrap: wrap; gap: 6px 22px;
  margin-top: 8px;
}
.tm-layer-toggles label {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 13px;
  color: var(--ink-2);
  cursor: pointer;
}

/* asset market filters */
.tm-asset-filters {
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  align-items: center;
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--ink-2);
}
.tm-asset-filters .tm-f-label { font-weight: 600; }
.tm-asset-filters label { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }
.tm-asset-filters input[type="number"] {
  width: 62px; padding: 3px 6px;
  border: 1px solid var(--baseline); border-radius: 6px;
  font-size: 12.5px; background: var(--surface); color: var(--ink);
}
.tm-asset-filters input[type="text"] {
  width: 220px; padding: 3px 8px;
  border: 1px solid var(--baseline); border-radius: 6px;
  font-size: 12.5px; background: var(--surface); color: var(--ink);
}
#tm-f-count { color: var(--muted); font-variant-numeric: tabular-nums; }

/* ENSO phase table */
.tm-enso-wrap { overflow-x: auto; }
.tm-enso-table {
  border-collapse: separate; border-spacing: 0;
  font-size: 13px; min-width: 430px;
  margin: 2px 4px 6px;
}
.tm-enso-table th, .tm-enso-table td {
  padding: 6px 14px 6px 0; text-align: right;
  border-bottom: 1px solid var(--grid);
}
.tm-enso-table th:first-child, .tm-enso-table td:first-child {
  text-align: left; color: var(--ink-2); padding-right: 18px;
}
.tm-enso-table thead th { font-weight: 600; color: var(--ink-2); border-bottom-color: var(--baseline); }
.tm-enso-table td.tm-enso-hi { font-weight: 600; }
.tm-enso-table tbody tr:last-child td { border-bottom: none; color: var(--muted); font-size: 12px; }

/* manual position entry */
.tm-goto {
  display: flex; flex-wrap: wrap; gap: 6px 10px;
  align-items: center;
  margin-top: 8px;
  font-size: 13px;
  color: var(--ink-2);
}
.tm-goto-datum { border-bottom: 1px dotted var(--baseline); cursor: help; }
.tm-goto input {
  flex: 1 1 240px; max-width: 360px;
  padding: 5px 9px;
  border: 1px solid var(--baseline); border-radius: 6px;
  font-size: 13px; font-family: inherit;
  background: var(--surface); color: var(--ink);
}
.tm-goto button {
  padding: 5px 14px;
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--surface); color: var(--ink);
  font-size: 13px; cursor: pointer;
}
.tm-goto button:hover { border-color: var(--baseline); }
.tm-goto-msg { font-size: 12.5px; color: var(--muted); flex-basis: 100%; }
.tm-goto-msg:empty { display: none; }
.tm-goto-err { color: #b3392b; }

/* legend rows built by app.js */
.tm-lg-title { font-weight: 600; }
.tm-lg-bar {
  display: block; height: 8px; border-radius: 4px;
  background: linear-gradient(90deg, #cde2fb, #9ec5f4, #6da7ec, #3987e5, #256abf, #184f95, #0d366b);
}
.tm-lg-scale { display: flex; justify-content: space-between; color: var(--muted); }
.tm-lg-row { display: flex; align-items: center; gap: 7px; color: var(--ink-2); }
.tm-lg-line { width: 20px; border-top-style: solid; border-top-color: #3a546e; }
.tm-lg-diamond {
  width: 8px; height: 8px; background: #c2571f; transform: rotate(45deg);
  border: 1px solid #fff; flex: none;
}
.tm-lg-dot {
  width: 8px; height: 8px; background: #c2571f; border-radius: 50%;
  border: 1px solid #fff; flex: none;
}

.tm-lg-square {
  width: 8px; height: 8px; background: #c2571f;
  border: 1px solid #fff; flex: none;
}
.tm-lg-gap { height: 4px; }

/* Controls */
.tm-controls {
  display: flex; flex-wrap: wrap; gap: 18px 28px;
  align-items: flex-end;
  margin-top: 16px;
  padding: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.tm-control-group { display: flex; flex-direction: column; gap: 7px; }
.tm-control-label { font-size: 12.5px; font-weight: 600; color: var(--ink-2); }
.tm-months { display: flex; flex-wrap: wrap; gap: 5px; }
.tm-months button {
  border: 1px solid var(--baseline);
  background: var(--surface);
  color: var(--ink-2);
  border-radius: 14px;
  padding: 4px 10px;
  font-size: 12.5px;
  cursor: pointer;
  min-width: 42px;
}
.tm-months button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.tm-month-presets { display: flex; gap: 8px; }
.tm-month-presets button {
  border: none; background: none;
  color: var(--accent);
  font-size: 12.5px;
  cursor: pointer;
  padding: 2px 3px;
}
.tm-limit-group input {
  width: 96px;
  padding: 6px 9px;
  border: 1px solid var(--baseline);
  border-radius: 8px;
  font-size: 15px;
  background: var(--surface);
  color: var(--ink);
}

/* Results */
#tm-results { margin-top: 18px; }
.tm-loc-line {
  display: flex; flex-wrap: wrap; gap: 4px 18px;
  align-items: baseline;
  padding: 2px 2px 0;
}
#tm-loc { font-weight: 600; font-size: 15.5px; }
.tm-basis { color: var(--muted); font-size: 12.5px; }

.tm-headline {
  margin-top: 10px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
}
.tm-headline .tm-big { font-size: 46px; font-weight: 650; line-height: 1; }
.tm-headline .tm-big-sub { font-size: 15px; color: var(--ink-2); max-width: 560px; }

/* Every figure is a cell of one grid, so they flow: three across on a wide
   screen, one on a phone, with no fixed row bands. auto-fit plus a minimum
   does the whole job, so there are no per-row column templates to keep in
   step with which panels happen to be visible. */
.tm-figs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr));
  gap: 14px;
  margin-top: 14px;
  align-items: start;
}
/* The row wrappers survive only to carry their ids and the hidden toggling.
   display:contents lifts their children into .tm-figs. A hidden row still
   disappears: [hidden] is display:none !important, which outranks this. */
.tm-charts, .tm-charts-b, .tm-charts-c, .tm-charts-c.tm-solo { display: contents; }
/* Roses are square and read badly when stretched. */
.tm-chart-rose { max-width: 320px; margin: 0 auto; }
.tm-win-controls {
  font-size: 12.5px;
  color: var(--ink-2);
  padding: 0 4px 8px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.tm-win-controls select {
  font: inherit;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 6px;
}
.tm-win-sum { font-size: 12.5px; color: var(--ink); padding: 0 4px 8px; font-weight: 600; }
.tm-fig-note { font-size: 11px; color: var(--muted); padding: 4px 4px 6px; margin: 0; }
.tm-cur-lines { padding: 2px 4px 8px; }
.tm-cur-lines p { margin: 0 0 9px; font-size: 12.8px; color: var(--ink); line-height: 1.45; }
.tm-cur-lines p:first-child { font-weight: 600; }
.tm-fig {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 12px 6px;
}
.tm-fig figcaption { font-size: 13px; font-weight: 600; color: var(--ink-2); padding: 0 4px 6px; }
.tm-chart svg { display: block; width: 100%; height: auto; }

.tm-table-row {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 14px;
  margin-top: 14px;
  align-items: start;
}
.tm-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 6px 12px;
  overflow-x: auto;
}
.tm-table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13.5px; }
.tm-table th {
  text-align: right;
  color: var(--ink-2);
  font-weight: 600;
  padding: 7px 10px;
  border-bottom: 1px solid var(--grid);
}
.tm-table th:first-child, .tm-table td:first-child { text-align: left; }
.tm-table td {
  text-align: right;
  padding: 5px 10px;
  border-bottom: 1px solid var(--grid);
  font-variant-numeric: tabular-nums;
}
.tm-table tr:last-child td { border-bottom: none; }
.tm-table tr.tm-row-limit td { background: #eef4fc; font-weight: 600; }

.tm-actions {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.tm-btn-primary {
  background: var(--accent-deep);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
}
.tm-btn-primary:hover { background: #1b4062; }
.tm-btn-primary[disabled] { opacity: 0.6; cursor: default; }
.tm-btn-secondary {
  background: var(--surface);
  color: var(--accent-deep);
  border: 1px solid var(--accent-deep);
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 8px;
}
.tm-btn-secondary:hover { background: rgba(20, 48, 74, 0.06); }

/* CTA + footer */
.tm-cta {
  margin-top: 26px;
  padding: 18px;
  background: var(--accent-deep);
  color: #e8eef4;
  border-radius: 10px;
}
.tm-cta h2 { margin: 0 0 6px; font-size: 17px; color: #fff; }
.tm-cta p { margin: 4px 0; max-width: 720px; }
.tm-cta a { color: #9ec5f4; font-weight: 600; }

.tm-footer { margin-top: 18px; color: var(--muted); font-size: 12px; }
.tm-footer p { margin: 6px 0; max-width: 900px; }

/* Tooltip */
.tm-tip {
  position: fixed;
  z-index: 50;
  background: var(--ink);
  color: #fff;
  font-size: 12.5px;
  padding: 6px 9px;
  border-radius: 7px;
  pointer-events: none;
  max-width: 240px;
  font-variant-numeric: tabular-nums;
}

/* Responsive */
@media (max-width: 760px) {
  .tm-table-row { grid-template-columns: 1fr; }
  .tm-map-wrap { height: 340px; }
  .tm-headline .tm-big { font-size: 38px; }
}

/* cyclone track filters: same visual family as the asset filter strip */
.tm-track-ctl {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px;
  margin-top: 8px; padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px; color: var(--ink-2);
}
.tm-track-ctl label { display: inline-flex; align-items: center; gap: 5px; }
.tm-track-ctl input[type="number"] {
  width: 62px; padding: 2px 5px;
  border: 1px solid var(--baseline); border-radius: 5px;
  background: var(--surface); color: var(--ink); font: inherit;
}
.tm-track-ctl #tm-ct-count { margin-left: auto; color: var(--muted); }

/* Sticky answer bar -------------------------------------------------------
   Shown only once the hero headline has scrolled out of view (app.js drives
   the hidden attribute from an IntersectionObserver). Sits below Frappe-free
   territory but above the page; the map's own controls are inside the map. */
.tm-sticky {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  background: var(--accent-deep, #14304a);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.18);
}
.tm-sticky-in {
  max-width: 1560px; margin: 0 auto; padding: 8px 20px;
  display: flex; align-items: baseline; gap: 12px;
}
.tm-sticky-pct { font-size: 22px; font-weight: 700; color: #fff; line-height: 1.1; }
.tm-sticky-txt {
  color: #dce6f0; font-size: 13px; flex: 1 1 auto;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tm-sticky-btn {
  flex: 0 0 auto; align-self: center;
  background: #fff; color: #14304a; border: 0; border-radius: 5px;
  font-size: 12.5px; font-weight: 600; padding: 5px 12px; cursor: pointer;
}
.tm-sticky-btn:hover { background: #eaf1f8; }
@media (max-width: 560px) {
  .tm-sticky-in { padding: 6px 12px; gap: 8px; }
  .tm-sticky-pct { font-size: 18px; }
  .tm-sticky-txt { font-size: 12px; }
}

.tm-lg-none { color: var(--muted, #8a969e); font-style: italic; }

/* Measure readout: same family as the coords chip. TOP left, because the
   legend already owns bottom left and the coords chip owns bottom right. */
.tm-map-measure {
  position: absolute; top: 10px; left: 10px;
  background: rgba(252, 252, 251, 0.94);
  border: 1px solid var(--border, #e3e8eb);
  border-left: 3px solid #b5341c;
  border-radius: 7px;
  padding: 5px 10px;
  font-size: 12.5px;
  color: var(--ink, #1b2631);
  font-variant-numeric: tabular-nums;
  max-width: 60%;
  pointer-events: none;
}
.tm-map-measure b { font-weight: 700; }
.tm-map-measure .tm-meas-sub { color: var(--ink-2, #52514e); font-size: 11.5px; display: block; }

/* Hs x Tp scatter ---------------------------------------------------------
   A wide table, so it takes a full grid row and scrolls inside its own
   container on narrow screens (the page body must never scroll sideways). */
.tm-fig-full { grid-column: 1 / -1; }
.tm-scatter-wrap { overflow-x: auto; }
.tm-scatter { border-collapse: separate; border-spacing: 0; font-size: 11.5px;
  font-variant-numeric: tabular-nums; color: var(--ink, #1b2631); }
.tm-scatter th, .tm-scatter td {
  padding: 2px 6px; text-align: right; white-space: nowrap;
  border-right: 1px solid var(--border, #e3e8eb);
  border-bottom: 1px solid var(--border, #e3e8eb);
}
.tm-scatter th { color: var(--ink-2, #52514e); font-weight: 600; background: var(--surface, #fcfcfb); }
.tm-scatter .tm-sc-zero { color: var(--baseline, #c3c2b7); }
.tm-scatter .tm-sc-tot { font-weight: 600; background: var(--surface, #fcfcfb); }
/* heat cells carry literal dark text on their literal pale backgrounds, so
   they read the same in both themes (house dark-theme rule) */
.tm-scatter td.tm-sc-heat { color: #14304a; }

/* DNV-RP-C205 profile table in the currents panel (fixed light theme, like the rest) */
.tm-prof { border-collapse: separate; border-spacing: 0; margin: 4px 4px 8px; font-size: 12px; color: #1b2631; }
.tm-prof caption { text-align: left; font-weight: 600; font-size: 12.2px; padding: 0 0 4px; color: #1b2631; }
.tm-prof th, .tm-prof td { border-bottom: 1px solid #e3e8eb; padding: 2px 8px 2px 0; text-align: right; white-space: nowrap; }
.tm-prof th { font-weight: 600; color: #4a5560; }
.tm-prof th:first-child, .tm-prof td:first-child { text-align: left; }
.tm-prof-note { margin: 0 4px 8px; font-size: 11.4px; color: #5c6771; line-height: 1.4; }

.tm-footer-links { font-size: 12.5px; margin: 0 0 8px; }
.tm-footer-links a { color: var(--accent); }

/* footer sources table (Ben, 4 Sep 26: the licence paragraph as a table,
   collapsed by default; the verbatim wording stays underneath) */
.tm-sources { margin: 8px 0; max-width: none; }
.tm-sources summary { cursor: pointer; color: var(--accent); font-size: 12.5px; font-weight: 600; }
.tm-src-wrap { overflow-x: auto; margin: 8px 0 4px; }
.tm-src { border-collapse: separate; border-spacing: 0; font-size: 11.8px; color: var(--ink); min-width: 760px; line-height: 1.4; }
.tm-src th, .tm-src td { vertical-align: top; text-align: left; padding: 5px 9px 5px 0; border-bottom: 1px solid var(--border); }
.tm-src th { color: var(--ink-2); font-weight: 600; white-space: nowrap; }
.tm-src td:first-child { font-weight: 600; white-space: nowrap; }
.tm-src td { max-width: 340px; }
.tm-src-licence { margin: 8px 0 2px; color: var(--ink-2); }
.tm-src-more { margin: 4px 0 0; }

/* launch review 23 Oct 26: a disclaimer where the numbers are read, and a
   visible data credit (OSM and CC BY ask for one in view, not folded away) */
.tm-res-disc { margin: 10px 0 0; font-size: 12px; color: var(--muted); }
.tm-credit { font-size: 12px; color: var(--muted); }