/* Open water's water and controls, scoped to .ocean-root. Shared by the homepage section and the full-page view. */
.ocean-root{--night:#071c23;--ink:#10282b;--ivory:#f4efdf;--mist:#b5c7c8;--saffron:#eec654;--line:#b5c7c833;--ocean-gutter:clamp(16px,3vw,40px);font-size:17px;line-height:1.55}

.ocean-root .water{position:relative;min-height:0;overflow:hidden;background:var(--night);cursor:crosshair;touch-action:pan-y}
.ocean-root .water:focus-visible{outline:3px solid var(--saffron);outline-offset:-6px}
.ocean-root canvas{display:block;width:100%;height:100%;font-family:ui-monospace,"Cascadia Mono",Consolas,Menlo,monospace}

.ocean-root .fallback{position:absolute;inset:0;margin:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:16px;text-align:center;color:var(--mist);background:var(--night);animation:ocean-appear .3s 1.2s both}
.ocean-root .fallback pre{margin:0;font:600 clamp(6.5px,2.3vw,15px)/1.2 ui-monospace,"Cascadia Mono",Consolas,Menlo,monospace;color:var(--ivory)}
.ocean-root .fallback figcaption{max-width:44ch;font-size:15px}
@keyframes ocean-appear{from{opacity:0}to{opacity:1}}
.ocean-root.live .fallback{display:none}
.ocean-root:not(.live) .water{cursor:default}
.ocean-root:not(.live) .controls,.ocean-root:not(.live) .log{display:none}

.ocean-root .console{display:grid;align-items:center;padding:8px var(--ocean-gutter);background:var(--ink);border-top:1px solid var(--line)}

.ocean-root .controls{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:center;gap:8px clamp(12px,2vw,24px)}
.ocean-root .groups{display:flex;min-width:0;margin:0;padding:0;border:0}
.ocean-root .groups legend{padding:0;font-size:12px;line-height:1.3;letter-spacing:.04em;color:var(--mist)}
.ocean-root .groups label{position:relative;display:block}
.ocean-root .groups input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.ocean-root .groups span{display:flex;align-items:center;min-height:44px;padding:0 12px;font-size:15px;line-height:1.15;white-space:nowrap;color:var(--mist);border:1px solid var(--line);border-left-width:0}
.ocean-root .groups label:first-of-type span{border-left-width:1px}
.ocean-root .groups input:hover+span{color:var(--ivory)}
.ocean-root .groups input:checked+span{color:var(--saffron);box-shadow:inset 0 -3px 0 var(--saffron)}
.ocean-root .groups input:focus-visible+span{outline:3px solid var(--saffron);outline-offset:2px;position:relative;z-index:1}

.ocean-root .actions{display:flex;gap:8px}
.ocean-root .action{min-height:44px;padding:0 14px;font:inherit;font-size:15px;white-space:nowrap;color:var(--ivory);background:transparent;border:1px solid var(--line);border-radius:0;cursor:pointer}
.ocean-root .action:hover{border-color:var(--mist)}
.ocean-root .action:focus-visible{outline:3px solid var(--saffron);outline-offset:3px}
.ocean-root .action-lamp{color:var(--ink);background:var(--saffron);border-color:var(--saffron)}
.ocean-root .action-lamp:hover{background:var(--ivory);border-color:var(--ivory)}
.ocean-root .action[aria-disabled=true]{color:var(--mist);background:transparent;border-color:var(--line);cursor:not-allowed}

.ocean-root .log{min-width:0}
.ocean-root .status{margin:0;min-height:2.8em;font-size:14px;line-height:1.4}
.ocean-root .readout{display:flex;gap:16px;margin:0;font-size:12px;line-height:1.4;letter-spacing:.04em;color:var(--mist)}
.ocean-root .readout b{font-weight:400;color:var(--ivory);font-variant-numeric:tabular-nums}

@media (max-width:640px){
  .ocean-root .controls{gap:6px}
  .ocean-root .groups{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));width:100%}
  .ocean-root .groups legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .ocean-root .groups span{justify-content:center;height:100%;padding:0 3px;font-size:13px;text-align:center;white-space:normal;overflow-wrap:anywhere}
  .ocean-root .actions{flex-wrap:wrap;width:100%}
  .ocean-root .action{flex:1;padding:0 8px}
}
@media (max-width:300px){
  .ocean-root .groups{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ocean-root .groups label:nth-of-type(odd) span{border-left-width:1px}
  .ocean-root .groups label:nth-of-type(n+3) span{border-top-width:0}
}
/* Short landscape: a bottom strip would take most of the screen, so controls become a quiet side rail. */
@media (max-height:520px) and (min-width:560px){
  .ocean-root .water{grid-column:1;grid-row:2}
  .ocean-root .console{grid-column:2;grid-row:2;display:flex;flex-direction:column;align-items:stretch;justify-content:space-between;gap:6px;padding:6px 10px;min-height:0;overflow-y:auto;border-top:0;border-left:1px solid var(--line)}
  .ocean-root .controls{flex-direction:column;align-items:stretch;gap:6px}
  .ocean-root .groups{display:grid;grid-template-columns:repeat(2,1fr);width:100%}
  .ocean-root .groups legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
  .ocean-root .groups label:nth-of-type(odd) span{border-left-width:1px}
  .ocean-root .groups label:nth-of-type(n+3) span{border-top-width:0}
  .ocean-root .groups span{justify-content:center;height:100%;padding:0 3px;font-size:13px;text-align:center;white-space:normal}
  .ocean-root .actions{width:100%}
  .ocean-root .action{flex:1;padding:0 6px;font-size:14px}
  .ocean-root .log{display:block}
  .ocean-root .status{min-height:0;font-size:13px;line-height:1.3}
  .ocean-root .readout{margin-top:2px}
}
@media (prefers-reduced-motion:reduce){
  .ocean-root .fallback{animation-duration:.01ms}
}