/* Raalhu wave forecast. Chart-table look: cool paper, ink navy, and the
   magenta that nautical charts use for annotations as the single accent. */
:root {
  --paper: #eef3f5; --panel: #ffffff; --raise: #f5f8f9;
  --ink: #0d2b3e; --ink2: #4b6577; --ink3: #7e95a3;
  --line: #d6e0e6; --line2: #e6edf1;
  --accent: #b3176f; --accent-soft: #fbe6f1;
  --sea: #17719f; --sea-soft: #e2f1f8;
  --warn: #9a5b00; --warn-soft: #fff1d6;
  --mapbg: #dde7ec;
  --shadow: 0 1px 2px rgba(13,43,62,.08), 0 6px 20px rgba(13,43,62,.10);
  --font: "Schibsted Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #071822; --panel: #0d2431; --raise: #12303f;
    --ink: #e8f1f5; --ink2: #a9bfcb; --ink3: #7791a0;
    --line: #1f3d4e; --line2: #183241;
    --accent: #ff7fc3; --accent-soft: #3a1830;
    --sea: #62bfea; --sea-soft: #123548;
    --warn: #ffc56b; --warn-soft: #3a2c10;
    --mapbg: #05121a;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.45);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #071822; --panel: #0d2431; --raise: #12303f;
  --ink: #e8f1f5; --ink2: #a9bfcb; --ink3: #7791a0;
  --line: #1f3d4e; --line2: #183241;
  --accent: #ff7fc3; --accent-soft: #3a1830;
  --sea: #62bfea; --sea-soft: #123548;
  --warn: #ffc56b; --warn-soft: #3a2c10;
  --mapbg: #05121a;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.45);
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; }
body { background: var(--paper); color: var(--ink); font: 400 15px/1.45 var(--font); font-variant-numeric: tabular-nums; -webkit-font-smoothing: antialiased; overflow: hidden; }
button, select, input { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: var(--sea); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.vh { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
svg { fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.app { height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr) auto; }

/* ---------------------------------------------------------------- header */
.bar { display: flex; align-items: center; gap: 20px; padding: 9px 16px; background: var(--panel); border-bottom: 1px solid var(--line); min-width: 0; }
.brand { display: flex; align-items: center; gap: 9px; color: var(--ink); text-decoration: none; flex: none; }
.brand svg { color: var(--sea); stroke-width: 2.4; }
.brand-name { font-size: 22px; font-weight: 800; letter-spacing: -.02em; line-height: 1; }
.brand-sub { font-size: 12.5px; color: var(--ink2); max-width: 9.5em; line-height: 1.2; }
.bar-pick { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.bar-end { display: flex; align-items: center; gap: 10px; flex: none; }
.sel select { appearance: none; border: 1px solid var(--line); background: var(--raise) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='m3 4.5 3 3 3-3' fill='none' stroke='%237e95a3' stroke-width='1.6'/%3E%3C/svg%3E") no-repeat right 8px center/12px; border-radius: 8px; padding: 7px 28px 7px 11px; font-weight: 600; max-width: 100%; }
.datepick { display: flex; align-items: center; gap: 2px; }
.run { font-size: 12.5px; color: var(--ink2); line-height: 1.25; min-width: 0; }
.run.stale { color: var(--warn); background: var(--warn-soft); padding: 4px 9px; border-radius: 6px; font-weight: 600; }
.ib { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 8px; color: var(--ink2); flex: none; }
.ib svg { width: 16px; height: 16px; }
.ib:hover { background: var(--raise); color: var(--ink); }
.ib:disabled { opacity: .3; cursor: default; }
.seg { display: flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.seg button { padding: 6px 11px; font-weight: 600; color: var(--ink2); min-width: 36px; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--panel); }
.tag { font-size: 12.5px; font-weight: 700; color: var(--warn); background: var(--warn-soft); padding: 5px 10px; border-radius: 999px; }
.link { font-weight: 600; text-decoration: none; padding: 6px 4px; }
.link:hover { text-decoration: underline; }
.btn { border: 1px solid var(--line); background: var(--panel); border-radius: 8px; padding: 7px 12px; font-weight: 600; }
.btn:hover { border-color: var(--ink3); }
.btn.primary { background: var(--ink); color: var(--panel); border-color: var(--ink); padding: 10px 18px; }
.btn.ghost { color: var(--sea); white-space: nowrap; }

/* ---------------------------------------------------------------- stage */
.stage { display: grid; grid-template-columns: minmax(0, 1fr) 384px; min-height: 0; position: relative; overflow: hidden; }
.mapwrap { position: relative; background: var(--mapbg); overflow: hidden; min-height: 0; }
.mapwrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.mapwrap canvas.fx, .mapwrap canvas.base, .mapwrap canvas.gl { pointer-events: none; }
.attr { position: absolute; right: 6px; bottom: 3px; font-size: 10.5px; color: #0d2b3e; background: rgba(255,255,255,.72); padding: 1px 6px; border-radius: 4px; pointer-events: none; }
.attr:empty { display: none; }
.pop label.rng { display: grid; gap: 4px; font-weight: 700; }
.pop label.rng input { width: 100%; }
.mapwrap canvas.ov { touch-action: none; cursor: crosshair; outline-offset: -3px; }
.mapwrap canvas.ov.drag { cursor: grabbing; }
.mapwrap canvas.ov.hit { cursor: pointer; }

.layers { position: absolute; left: 12px; top: 12px; display: flex; flex-direction: column; gap: 2px; background: var(--panel); border-radius: 12px; padding: 5px; box-shadow: var(--shadow); max-height: calc(100% - 110px); overflow: auto; }
.layers button { display: flex; align-items: center; gap: 9px; padding: 6px 12px 6px 7px; border-radius: 8px; font-weight: 600; font-size: 13.5px; color: var(--ink2); text-align: left; white-space: nowrap; }
.layers button i { width: 18px; height: 18px; border-radius: 50%; flex: none; box-shadow: inset 0 0 0 1px rgba(13,43,62,.18); }
.layers button:hover { background: var(--raise); color: var(--ink); }
.layers button[aria-pressed="true"] { background: var(--ink); color: var(--panel); }

.tools { position: absolute; right: 12px; top: 12px; display: flex; flex-direction: column; gap: 2px; background: var(--panel); border-radius: 12px; padding: 4px; box-shadow: var(--shadow); }
.pop { position: absolute; right: 46px; top: 0; width: 232px; background: var(--panel); border-radius: 12px; box-shadow: var(--shadow); padding: 14px; display: grid; gap: 10px; font-size: 14px; }
.pop[hidden] { display: none; }
.pop fieldset { border: 0; padding: 0; display: grid; gap: 6px; }
.pop legend { font-weight: 700; margin-bottom: 6px; padding: 0; }
.pop label { display: flex; gap: 8px; align-items: center; }
.pop input { accent-color: var(--accent); width: 16px; height: 16px; }

.legend { position: absolute; left: 12px; bottom: 12px; background: var(--panel); border-radius: 12px; box-shadow: var(--shadow); padding: 10px 14px 8px; width: min(340px, calc(100% - 24px)); }
.legend h3 { font-size: 13.5px; font-weight: 700; display: flex; justify-content: space-between; gap: 8px; }
.legend h3 span { color: var(--ink2); font-weight: 500; }
.legend .rampbar { height: 12px; border-radius: 3px; margin-top: 7px; box-shadow: inset 0 0 0 1px rgba(13,43,62,.15); }
.legend .lticks { position: relative; height: 18px; font-size: 11.5px; color: var(--ink2); margin-top: 2px; }
.legend .lticks b { position: absolute; transform: translateX(-50%); font-weight: 500; white-space: nowrap; }
.legend .lticks b:first-child { transform: none; }
.legend .lticks b.end { transform: translateX(-100%); }
.legend p { font-size: 12px; color: var(--ink2); line-height: 1.35; margin-top: 2px; }

.tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--panel); border-radius: 8px; padding: 6px 10px; font-size: 13px; line-height: 1.3; white-space: nowrap; transform: translate(14px, -50%); z-index: 3; }
.tip b { font-size: 15px; }
.tip small { opacity: .75; font-size: 12px; }
.mapmsg { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; padding: 24px; gap: 8px; background: var(--mapbg); z-index: 4; }
.mapmsg[hidden] { display: none; }
.mapmsg h2 { font-size: 22px; letter-spacing: -.01em; }
.mapmsg p { color: var(--ink2); max-width: 46ch; }

/* ---------------------------------------------------------------- side panel */
.panel { background: var(--panel); border-left: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.grip { display: none; }
.tabs { display: flex; padding: 0 10px; border-bottom: 1px solid var(--line); flex: none; }
.tabs button { padding: 12px 10px 10px; font-weight: 600; color: var(--ink2); border-bottom: 3px solid transparent; margin-bottom: -1px; font-size: 14px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--accent); }
.pane { overflow: auto; padding: 16px 18px 22px; flex: 1; min-height: 0; overscroll-behavior: contain; }

.pt-head h2 { font-size: 19px; font-weight: 700; letter-spacing: -.01em; line-height: 1.2; }
.pt-head p { color: var(--ink2); font-size: 13px; margin-top: 3px; }
.hero { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; margin: 14px 0 6px; }
.hero .big { font-size: 54px; font-weight: 800; letter-spacing: -.04em; line-height: .95; }
.hero .big small { font-size: 22px; font-weight: 700; letter-spacing: 0; margin-left: 3px; color: var(--ink2); }
.hero .cap { font-size: 13px; color: var(--ink2); margin-top: 6px; }
.rose { width: 92px; height: 92px; }
.rose text { font: 600 9px var(--font); fill: var(--ink3); stroke: none; text-anchor: middle; }
.rose .ring { stroke: var(--line); stroke-width: 1.5; }
.rose .arrow { stroke: var(--accent); stroke-width: 3; fill: var(--accent); }
.dirline { font-weight: 600; font-size: 14px; }
.dirline span { color: var(--ink2); font-weight: 400; }

.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; margin-top: 14px; border-top: 1px solid var(--line2); }
.facts div { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line2); }
.facts dt { color: var(--ink2); font-size: 13px; }
.facts dd { font-weight: 700; font-size: 14.5px; white-space: nowrap; }
.facts dd small { font-weight: 500; color: var(--ink2); font-size: 12px; margin-left: 2px; }

.sub { font-size: 14px; font-weight: 700; margin: 20px 0 6px; display: flex; justify-content: space-between; align-items: baseline; }
.sub span { font-weight: 400; color: var(--ink2); font-size: 12.5px; }
.chart { position: relative; touch-action: pan-y; cursor: ew-resize; user-select: none; }
.chart svg { display: block; width: 100%; overflow: visible; }
.chart text { font: 500 11px var(--font); fill: var(--ink2); stroke: none; }
.chart .grid { stroke: var(--line2); stroke-width: 1; }
.chart .hs-area { fill: var(--sea); opacity: .16; stroke: none; }
.chart .hs-line { stroke: var(--sea); stroke-width: 2.2; }
.chart .per-line { stroke: var(--ink2); stroke-width: 1.8; }
.chart .per2-line { stroke: var(--ink3); stroke-width: 1.4; stroke-dasharray: 3 3; }
.chart .cur { stroke: var(--accent); stroke-width: 1.5; }
.chart .cur-dot { fill: var(--accent); stroke: var(--panel); stroke-width: 2; }
.chart .arr { stroke: var(--ink); stroke-width: 1.5; }
.chart .lab { font-weight: 700; fill: var(--ink); }
.key { display: flex; gap: 14px; font-size: 12px; color: var(--ink2); margin-top: 4px; flex-wrap: wrap; }
.key i { display: inline-block; width: 16px; height: 0; border-top: 2px solid var(--sea); vertical-align: middle; margin-right: 5px; }
.key i.k2 { border-color: var(--ink2); } .key i.k3 { border-color: var(--ink3); border-top-style: dashed; }
.acts { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.note { font-size: 12.5px; color: var(--ink2); margin-top: 14px; line-height: 1.45; }
.empty { color: var(--ink2); padding: 20px 0; }

.tbl { width: 100%; border-collapse: collapse; font-size: 14px; table-layout: fixed; }
.tbl th:first-child { width: 36%; }
.tbl th { text-align: right; font-weight: 600; color: var(--ink2); font-size: 12px; padding: 4px 0 8px 4px; border-bottom: 1px solid var(--line); }
.tbl th:first-child, .tbl td:first-child { text-align: left; padding-left: 0; }
.tbl td { text-align: right; padding: 9px 0 9px 4px; border-bottom: 1px solid var(--line2); white-space: nowrap; }
.tbl td:first-child { white-space: normal; font-weight: 600; padding-left: 18px; text-indent: -18px; line-height: 1.3; }
.tbl tr[data-i] { cursor: pointer; }
.tbl tr[data-i]:hover td { background: var(--raise); }
.tbl tr.on td:first-child { color: var(--accent); }
.tbl .sw { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; text-indent: 0; box-shadow: inset 0 0 0 1px rgba(13,43,62,.2); }
.tbl svg.da { width: 15px; height: 15px; vertical-align: -3px; margin-right: 3px; stroke: var(--ink); stroke-width: 1.8; }
.wind { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; margin: 6px 0 4px; }
.wind .big { font-size: 34px; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.wind .big small { font-size: 15px; color: var(--ink2); font-weight: 600; margin-left: 3px; letter-spacing: 0; }

/* ---------------------------------------------------------------- timeline */
.time { display: flex; align-items: center; gap: 14px; padding: 8px 16px calc(8px + env(safe-area-inset-bottom)); background: var(--panel); border-top: 1px solid var(--line); }
.tctl { display: flex; align-items: center; gap: 2px; flex: none; }
.play { width: 42px; height: 42px; border-radius: 50%; background: var(--ink); color: var(--panel); display: grid; place-items: center; }
.play svg { width: 16px; height: 16px; fill: currentColor; stroke: none; }
.play .i-pause, .playing .play .i-play { display: none; }
.playing .play .i-pause { display: block; }
.tnow { flex: none; width: 104px; line-height: 1.15; }
.tnow strong { display: block; font-size: 24px; font-weight: 800; letter-spacing: -.02em; }
.tnow span { font-size: 12px; color: var(--ink2); }
.track { position: relative; flex: 1; height: 50px; min-width: 0; touch-action: none; cursor: pointer; border-radius: 6px; }
.spark { position: absolute; left: 0; right: 0; top: 2px; height: 26px; width: 100%; }
.spark path { fill: var(--sea); opacity: .2; stroke: none; }
.ticks { position: absolute; left: 0; right: 0; top: 28px; height: 22px; border-top: 1px solid var(--line); }
.ticks i { position: absolute; top: 0; width: 1px; height: 4px; background: var(--ink3); }
.ticks i.maj { height: 7px; background: var(--ink2); }
.ticks b { position: absolute; top: 8px; transform: translateX(-50%); font-size: 11.5px; font-weight: 500; color: var(--ink2); white-space: nowrap; }
.ticks b.day { color: var(--ink); font-weight: 700; }
.thumb { position: absolute; top: 0; bottom: 18px; width: 0; border-left: 2px solid var(--accent); pointer-events: none; }
.thumb::after { content: ""; position: absolute; left: -7px; bottom: -6px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 2px var(--panel); }
.nowmark { position: absolute; top: 0; height: 28px; border-left: 1px dashed var(--ink3); pointer-events: none; }
.nowmark span { position: absolute; top: -3px; left: 4px; font-size: 10.5px; color: var(--ink2); }
.nowmark[hidden], .btn[hidden] { display: none; }

/* ---------------------------------------------------------------- dialog */
.modal { border: 0; border-radius: 16px; padding: 28px; max-width: min(460px, calc(100vw - 32px)); background: var(--panel); color: var(--ink); box-shadow: var(--shadow); margin: auto; }
.modal::backdrop { background: rgba(5,18,26,.55); }
.modal h2 { font-size: 24px; letter-spacing: -.02em; line-height: 1.15; margin-bottom: 12px; }
.modal p { margin-bottom: 10px; color: var(--ink2); }
.modal p strong { color: var(--ink); }
.modal form { margin-top: 18px; }

/* ---------------------------------------------------------------- about page */
body.doc { overflow: auto; }
.doc-wrap { max-width: 720px; margin: 0 auto; padding: 36px 20px 80px; }
.doc-wrap h1 { font-size: clamp(32px, 6vw, 46px); font-weight: 800; letter-spacing: -.035em; line-height: 1.02; margin: 26px 0 14px; }
.doc-wrap .lede { font-size: 18px; color: var(--ink2); max-width: 58ch; }
.doc-wrap h2 { font-size: 23px; letter-spacing: -.015em; margin: 44px 0 10px; padding-top: 18px; border-top: 1px solid var(--line); }
.doc-wrap h3 { font-size: 16px; margin: 22px 0 6px; }
.doc-wrap p, .doc-wrap li { max-width: 68ch; margin-bottom: 10px; }
.doc-wrap ul, .doc-wrap ol { padding-left: 22px; }
.doc-wrap .toc { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 22px; font-weight: 600; }
.doc-wrap .callout { background: var(--warn-soft); border-radius: 12px; padding: 16px 18px; margin: 14px 0; }
.doc-wrap .callout p:last-child { margin: 0; }
.doc-wrap dl.vars { display: grid; grid-template-columns: max-content 1fr; gap: 8px 18px; margin: 12px 0; }
.doc-wrap dl.vars dt { font-weight: 700; }
.doc-wrap dl.vars dd { color: var(--ink2); }

/* ---------------------------------------------------------------- narrower screens */
@media (max-width: 1180px) { .brand-sub, .run { display: none; } .run.stale { display: block; } }
@media (max-width: 860px) {
  .bar { gap: 8px; padding: 7px 10px; flex-wrap: wrap; }
  .bar-pick { order: 3; flex-basis: 100%; }
  .bar-end { margin-left: auto; gap: 6px; }
  #atollSel { max-width: 132px; }
  .tag { display: none; }
  .stage { grid-template-columns: minmax(0, 1fr); }
  .panel { position: absolute; left: 0; right: 0; bottom: 0; z-index: 5; border-left: 0; border-radius: 16px 16px 0 0; box-shadow: 0 -6px 24px rgba(13,43,62,.18); height: min(74%, 560px); transition: transform .25s ease; }
  .panel[data-sheet="peek"] { transform: translateY(calc(100% - 46px)); }
  .panel[data-sheet="half"] { transform: translateY(calc(100% - 232px)); }
  .panel[data-sheet="full"] { transform: none; }
  .panel[data-sheet="peek"] .tabs, .panel[data-sheet="peek"] .pane { visibility: hidden; }
  .grip { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; height: 46px; flex: none; font-weight: 700; font-size: 14px; position: relative; padding-top: 8px; }
  .grip i { position: absolute; top: 7px; left: 50%; width: 40px; height: 4px; margin-left: -20px; border-radius: 2px; background: var(--line); }
  .panel[data-sheet="half"] .tabs { display: none; }
  .panel[data-sheet="half"] .grip span, .panel[data-sheet="full"] .grip span { display: none; }
  .panel[data-sheet="half"] .grip, .panel[data-sheet="full"] .grip { height: 22px; padding: 0; }
  .pane { padding: 6px 16px 20px; }
  .layers { flex-direction: row; left: 8px; right: 52px; top: 8px; max-height: none; overflow-x: auto; scrollbar-width: none; border-radius: 10px; padding: 4px; }
  .layers button { padding: 5px 10px 5px 6px; font-size: 13px; }
  .tools { right: 8px; top: 8px; }
  .legend { left: 8px; bottom: 54px; padding: 7px 10px 5px; width: min(250px, calc(100% - 16px)); }
  .legend p { display: none; }
  .legend p#arrowNote { display: block; }
  .time { gap: 8px; padding: 6px 10px calc(6px + env(safe-area-inset-bottom)); }
  .tnow { width: 74px; } .tnow strong { font-size: 20px; }
  #stepBack, #stepFwd, #nowBtn { display: none; }
  .play { width: 38px; height: 38px; }
  .hero .big { font-size: 46px; }
}
@media (prefers-reduced-motion: reduce) { .panel { transition: none; } }