:root{
  --abyss:#05080f; --deep:#0a1424; --panel:#0c1a2e; --panel2:#0f2138;
  --foam:#e8edf4; --tide:#7d96b3; --tide-dim:#4f678a;
  --line:#162a44; --line-soft:#102136;
  --cool:#2b6fb3; --cool-deep:#1d4e85; --neutral:#16263b; --warm:#e85d3d; --warm-hot:#ffb347;
  --live:#3dd6c4; --live-dim:#1f8478;
  --shadow:0 30px 80px -30px rgba(0,0,0,.8);
  --r:14px; --r-sm:9px;
  --maxw:1200px;
  --serif:'Space Grotesk',system-ui,sans-serif;
  --body:'Inter',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:78px}
body{
  background:var(--abyss); color:var(--foam); font-family:var(--body);
  line-height:1.6; font-size:16px; overflow-x:hidden; max-width:100vw;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
body::before{ /* faint star/plankton field */
  content:""; position:fixed; inset:0; z-index:0; pointer-events:none; opacity:.5;
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(61,214,196,.4), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(232,237,244,.25), transparent),
    radial-gradient(1px 1px at 40% 80%, rgba(43,111,179,.35), transparent),
    radial-gradient(1px 1px at 88% 22%, rgba(232,237,244,.2), transparent),
    radial-gradient(1px 1px at 12% 68%, rgba(61,214,196,.25), transparent);
  background-size:cover;
}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px; position:relative; z-index:1}
section{position:relative; z-index:1}
a{color:inherit}
h1,h2,h3{font-family:var(--serif); font-weight:600; line-height:1.08; letter-spacing:-.02em}
.mono{font-family:var(--mono)}

/* ---------- Top status bar ---------- */
.topbar{
  position:sticky; top:0; z-index:50; backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(5,8,15,.92),rgba(5,8,15,.7));
  border-bottom:1px solid var(--line-soft);
}
.topbar .wrap{display:flex; align-items:center; justify-content:space-between; height:58px; gap:18px}
.brand{display:flex; align-items:center; gap:11px; font-family:var(--serif); font-weight:600; letter-spacing:-.01em}
.brand .dot{width:11px; height:11px; border-radius:50%; background:var(--live); box-shadow:0 0 0 0 rgba(61,214,196,.6); animation:pulse 2.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(61,214,196,.5)}70%{box-shadow:0 0 0 9px rgba(61,214,196,0)}100%{box-shadow:0 0 0 0 rgba(61,214,196,0)}}
.topnav{display:flex; gap:24px; font-size:13.5px; color:var(--tide)}
.topnav a{text-decoration:none; transition:color .2s; white-space:nowrap}
.topnav a:hover{color:var(--foam)}
.livechip{font-family:var(--mono); font-size:11px; color:var(--live); border:1px solid var(--live-dim); padding:4px 9px; border-radius:20px; display:flex; align-items:center; gap:6px; white-space:nowrap}
.livechip .led{width:6px;height:6px;border-radius:50%;background:var(--live);animation:blink 1.8s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
@media(max-width:780px){.topnav{display:none}}

/* ---------- Hero ---------- */
.hero{position:relative; min-height:96vh; min-height:96svh; display:flex; flex-direction:column; justify-content:flex-end; overflow:hidden; padding-bottom:38px}
#oceanCanvas{position:absolute; inset:0; width:100%; height:100%; z-index:0; display:block}
.hero-veil{position:absolute; inset:0; z-index:1; pointer-events:none;
  background:linear-gradient(180deg, rgba(5,8,15,.62) 0%, rgba(5,8,15,.12) 30%, rgba(5,8,15,.30) 62%, rgba(5,8,15,.96) 100%);}
.hero .wrap{position:relative; z-index:2; width:100%}
.eyebrow{font-family:var(--mono); font-size:12.5px; letter-spacing:.32em; text-transform:uppercase; color:var(--live); margin-bottom:22px; display:flex; align-items:center; gap:14px}
.eyebrow::before{content:""; width:38px; height:1px; background:var(--live); opacity:.6}
.hero h1{font-size:clamp(42px,8.2vw,104px); font-weight:700; max-width:14ch; margin-bottom:10px}
.hero h1 .em{font-style:italic; font-weight:500; color:transparent; background:linear-gradient(100deg,var(--warm),var(--warm-hot)); -webkit-background-clip:text; background-clip:text}
.hero .sub{font-size:clamp(16px,2vw,20px); color:var(--tide); max-width:54ch; margin-top:18px}

/* live status instrument */
.statusgrid{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; margin-top:42px; background:var(--line-soft); border:1px solid var(--line); border-radius:var(--r); overflow:hidden}
.statuscell{background:linear-gradient(160deg,rgba(12,26,46,.92),rgba(8,16,28,.92)); padding:20px 22px; min-height:118px; display:flex; flex-direction:column; justify-content:space-between; position:relative}
.statuscell .k{font-family:var(--mono); font-size:10.5px; letter-spacing:.18em; text-transform:uppercase; color:var(--tide); display:flex; align-items:center; gap:7px}
.statuscell .v{font-family:var(--serif); font-size:clamp(26px,3.4vw,40px); font-weight:600; letter-spacing:-.02em; line-height:1}
.statuscell .vsub{font-size:12.5px; color:var(--tide); font-family:var(--mono)}
.phase-pill{display:inline-flex; align-items:center; gap:8px; font-family:var(--serif); font-weight:600}
.phase-pill .orb{width:13px;height:13px;border-radius:50%}
@media(max-width:880px){.statusgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.statusgrid{grid-template-columns:1fr 1fr}.statuscell{padding:16px 16px;min-height:104px}}

/* ---------- generic section ---------- */
.band{padding:96px 0}
.band-head{margin-bottom:44px; max-width:720px}
.band-head .label{font-family:var(--mono); font-size:12px; letter-spacing:.28em; text-transform:uppercase; color:var(--live); margin-bottom:18px}
.band-head h2{font-size:clamp(28px,4.2vw,46px); margin-bottom:16px}
.band-head p{color:var(--tide); font-size:17px}
.divider{height:1px; background:linear-gradient(90deg,var(--line),transparent); margin:0}

/* chart card */
.card{background:linear-gradient(165deg,var(--panel),rgba(8,16,28,.6)); border:1px solid var(--line); border-radius:var(--r); box-shadow:var(--shadow)}
.card-pad{padding:24px}
.controls{display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin-bottom:18px}
.seg{display:inline-flex; background:var(--deep); border:1px solid var(--line); border-radius:var(--r-sm); padding:3px; gap:2px; max-width:100%; overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none}
.seg::-webkit-scrollbar{display:none}
.seg button{white-space:nowrap}
@media(max-width:560px){
  .controls{gap:10px}
  .seg{width:100%; justify-content:flex-start}
  .controls .legend-inline{width:100%}
}
.seg button{font-family:var(--mono); font-size:12px; letter-spacing:.04em; color:var(--tide); background:transparent; border:0; padding:7px 13px; border-radius:6px; cursor:pointer; transition:all .18s}
.seg button:hover{color:var(--foam)}
.seg button[aria-pressed="true"]{background:linear-gradient(160deg,var(--cool-deep),var(--cool)); color:#fff}
.spacer{flex:1}
.legend-inline{display:flex; gap:16px; flex-wrap:wrap; font-family:var(--mono); font-size:11.5px; color:var(--tide)}
.legend-inline span{display:flex; align-items:center; gap:6px}
.legend-inline i{width:11px; height:11px; border-radius:3px; display:inline-block}
#oniChart{width:100%; height:440px}
@media(max-width:600px){#oniChart{height:360px}}

/* impacts map */
.maplayout{display:grid; grid-template-columns:1.55fr 1fr; gap:24px; align-items:stretch}
.maplayout > *{min-width:0}
@media(max-width:900px){.maplayout{grid-template-columns:1fr}}
.mapbox{position:relative; background:linear-gradient(165deg,#081427,#050c17); border:1px solid var(--line); border-radius:var(--r); overflow:hidden; aspect-ratio:2/1; width:100%; max-width:100%; min-height:0}
#impactSvg{display:block; width:100%; height:100%; max-width:100%}
.impact-detail{display:flex; flex-direction:column; gap:14px; min-width:0}
.impact-detail .pick{font-family:var(--mono); font-size:11.5px; color:var(--tide); letter-spacing:.04em}
.impact-card{background:var(--panel); border:1px solid var(--line); border-radius:var(--r); padding:22px; flex:1; display:flex; flex-direction:column; gap:12px; transition:border-color .25s}
.impact-card h3{font-size:23px}
.impact-card .eff{display:inline-flex; align-items:center; gap:8px; font-family:var(--mono); font-size:11px; text-transform:uppercase; letter-spacing:.12em; padding:5px 11px; border-radius:20px; width:fit-content}
.impact-card p{color:var(--tide); font-size:14.5px}
.legend-row{display:flex; gap:18px; flex-wrap:wrap; margin-top:8px; font-family:var(--mono); font-size:11px; color:var(--tide)}
.legend-row span{display:flex;align-items:center;gap:7px}
.legend-row b{width:10px;height:10px;border-radius:50%;display:inline-block}

/* forecast */
.fc-layout{display:grid; grid-template-columns:1.4fr 1fr; gap:24px}
.fc-layout > *{min-width:0}
@media(max-width:900px){.fc-layout{grid-template-columns:1fr}}
#fcChart{width:100%; height:400px}
.prob-wrap{display:flex; flex-direction:column; gap:16px}
.prob{display:flex; flex-direction:column; gap:7px}
.prob .top{display:flex; justify-content:space-between; align-items:baseline; font-family:var(--mono); font-size:12.5px}
.prob .bar{height:11px; border-radius:6px; background:var(--deep); overflow:hidden; border:1px solid var(--line)}
.prob .fill{height:100%; border-radius:6px; transition:width 1s cubic-bezier(.2,.8,.2,1)}
.disclaimer{margin-top:22px; padding:18px 20px; border-left:2px solid var(--warm-hot); background:rgba(255,179,71,.05); border-radius:0 var(--r-sm) var(--r-sm) 0; font-size:13.5px; color:#d9c9a8}
.disclaimer b{color:var(--warm-hot); font-family:var(--serif)}

/* mechanism */
.mech-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px}
@media(max-width:820px){.mech-grid{grid-template-columns:1fr}}
.mech{background:linear-gradient(165deg,var(--panel),rgba(8,16,28,.5)); border:1px solid var(--line); border-radius:var(--r); padding:26px; position:relative; overflow:hidden}
.mech .ph{font-family:var(--mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase; color:var(--live); margin-bottom:16px}
.mech h3{font-size:20px; margin-bottom:10px}
.mech p{color:var(--tide); font-size:14px}
.mech .ribbon{height:3px; margin:18px -26px -26px; border-radius:0}

/* methodology / sources */
.srcgrid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-soft); border:1px solid var(--line); border-radius:var(--r); overflow:hidden}
@media(max-width:720px){.srcgrid{grid-template-columns:1fr}}
.src{background:var(--panel); padding:22px 24px; display:flex; flex-direction:column; gap:6px}
.src .nm{font-family:var(--serif); font-weight:600; font-size:15px}
.src .ds{color:var(--tide); font-size:13px}
.src .lk{font-family:var(--mono); font-size:11px; color:var(--live); text-decoration:none; word-break:break-all}
.src .lk:hover{text-decoration:underline}

footer{padding:60px 0 80px; border-top:1px solid var(--line-soft); margin-top:40px; color:var(--tide); font-size:13.5px}
footer .wrap{display:flex; flex-direction:column; gap:18px}
footer .frow{display:flex; justify-content:space-between; flex-wrap:wrap; gap:20px}
footer b{color:var(--foam); font-family:var(--serif)}
.tag{font-family:var(--mono); font-size:11px; color:var(--tide); letter-spacing:.04em}

.tip{position:fixed; pointer-events:none; z-index:99; background:rgba(10,20,36,.97); border:1px solid var(--line); border-radius:8px; padding:9px 12px; font-family:var(--mono); font-size:11.5px; color:var(--foam); opacity:0; transition:opacity .15s; max-width:240px; box-shadow:var(--shadow)}

@media (prefers-reduced-motion: reduce){
  *{animation:none!important; transition:none!important; scroll-behavior:auto!important}
}
.fade{opacity:0; transform:translateY(24px); transition:opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1)}
.fade.in{opacity:1; transform:none}

/* ---------- Visible keyboard focus (WCAG 2.4.7) ---------- */
a:focus-visible,
button:focus-visible,
[role="button"]:focus-visible,
[tabindex]:focus-visible{
  outline:2px solid var(--live);
  outline-offset:3px;
  border-radius:4px;
}
/* SVG map markers: focus ring that reads on the dark ocean */
#impactSvg g:focus-visible{ outline:none; }
#impactSvg g:focus-visible circle:last-of-type{
  stroke:var(--live); stroke-width:2.4px; paint-order:stroke;
}
/* don't show the ring on mouse click, only keyboard (browsers that lack :focus-visible fall back to :focus) */
a:focus:not(:focus-visible),
button:focus:not(:focus-visible){ outline:none; }

/* skip link: hidden until keyboard focus */
.skip{position:absolute; left:-9999px; top:0; z-index:100; background:var(--live); color:#04211c; padding:10px 16px; border-radius:0 0 8px 0; font-family:var(--mono); font-size:13px; text-decoration:none}
.skip:focus{left:0}

/* ---------- Admin / status page ---------- */
.admin-banner{border-radius:var(--r-sm); padding:16px 18px; font-family:var(--mono); font-size:13px; line-height:1.6; border:1px solid var(--line); background:var(--panel); color:var(--tide); margin-bottom:34px}
.admin-banner-ok{border-color:rgba(61,214,196,.5); color:#bfeee6; background:rgba(61,214,196,.06)}
.admin-banner-warn{border-color:rgba(255,179,71,.5); color:#e8d9b5; background:rgba(255,179,71,.06)}
.admin-banner-fail{border-color:rgba(232,93,61,.6); color:#f2c4b6; background:rgba(232,93,61,.08)}
.admin-h{font-size:15px; font-family:var(--mono); letter-spacing:.14em; text-transform:uppercase; color:var(--tide); margin:34px 0 14px; font-weight:500}
.admin-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:14px}
.admin-card{background:var(--panel); border:1px solid var(--line); border-radius:var(--r-sm); padding:16px 18px}
.admin-card-head{display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom:6px}
.admin-card-name{font-family:var(--serif); font-weight:600; font-size:15px}
.admin-card-desc{color:var(--tide); font-size:12.5px; line-height:1.55}
.admin-badge{font-family:var(--mono); font-size:10px; letter-spacing:.12em; padding:3px 9px; border-radius:12px; border:1px solid}
.admin-badge-ok{color:#3dd6c4; border-color:rgba(61,214,196,.5); background:rgba(61,214,196,.08)}
.admin-badge-fail{color:#ff8a6a; border-color:rgba(232,93,61,.55); background:rgba(232,93,61,.1)}
.admin-badge-stale{color:#ffb347; border-color:rgba(255,179,71,.5); background:rgba(255,179,71,.08)}
.admin-badge-unknown{color:var(--tide); border-color:var(--line)}
.admin-rows{margin-top:12px; display:flex; flex-direction:column; gap:6px}
.admin-row{display:flex; justify-content:space-between; gap:12px; font-size:12.5px}
.admin-k{color:var(--tide); font-family:var(--mono); font-size:11px; letter-spacing:.04em}
.admin-v{font-family:var(--mono); font-size:11.5px; color:var(--foam); text-align:right}
.admin-err{margin-top:10px; font-family:var(--mono); font-size:11px; color:#ff9a7d; background:rgba(232,93,61,.07); border-left:2px solid rgba(232,93,61,.5); padding:8px 10px; border-radius:0 6px 6px 0; word-break:break-word}
.admin-history{margin-bottom:10px}
.admin-strip{display:flex; gap:5px; flex-wrap:wrap; margin-bottom:10px}
.admin-dot{width:14px; height:14px; border-radius:4px; display:inline-block}
.admin-dot-ok{background:rgba(61,214,196,.75)}
.admin-dot-part{background:rgba(255,179,71,.75)}
.admin-dot-fail{background:rgba(232,93,61,.75)}
.admin-foot{margin-top:36px; color:var(--tide); font-size:13px; line-height:1.6; border-top:1px solid var(--line-soft); padding-top:18px}