:root{
  --ink:#1f3a44;--ink-2:#4d6670;--ink-3:#7a8f98;
  --brand:#1d5557;--brand-2:#277c84;--brand-soft:#e6f0f0;--leaf:#b7c791;--leaf-soft:#eef3e3;
  --bg:#f5f7fa;--card:#fff;--line:#dfe6ed;--line-2:#eef2f5;
  --good:#2f7a4f;--good-soft:#e6f3ea;--warn:#a26a12;--warn-soft:#fbf1dd;--bad:#a83c32;--bad-soft:#f8e5e2;--muted-soft:#eef1f4;
  --radius:12px;--shadow:0 1px 2px rgba(20,40,50,.05);
  font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);min-height:100vh;display:flex;flex-direction:column}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--brand-2)}
[hidden]{display:none!important}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px;z-index:20}
:focus-visible{outline:3px solid #9cc3c6;outline-offset:2px}

/* Header */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.top-in{max-width:1180px;margin:auto;display:flex;align-items:center;gap:28px;height:68px;padding:0 24px}
.brand{font-size:25px;font-weight:800;letter-spacing:2px;color:var(--brand);text-decoration:none;white-space:nowrap}
.brand span{color:var(--leaf)}
.nav{display:flex;gap:4px;height:100%}
.nav a{display:flex;align-items:center;padding:0 14px;color:var(--ink-2);text-decoration:none;font-size:14px;border-bottom:3px solid transparent}
.nav a.on{color:var(--brand);border-bottom-color:var(--brand-2);font-weight:700}
.acct{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px}

main{flex:1;width:100%}
.page{max-width:1180px;margin:auto;padding:32px 24px 48px}
.foot{border-top:1px solid var(--line);background:#fff}
.foot-in{max-width:1180px;margin:auto;padding:22px 24px;font-size:12px;color:var(--ink-3);display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;line-height:1.6}
.foot a{color:var(--ink-2)}

/* Type */
h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:40px;line-height:1.15;letter-spacing:-.8px;margin:0 0 14px}
h2{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:26px;line-height:1.25;margin:0 0 12px}
h3{font-size:16px;margin:0 0 8px}
p,li{font-size:15px;line-height:1.65;color:var(--ink-2)}
.lead{font-size:18px;line-height:1.6;color:var(--ink-2);max-width:720px}
.eyebrow{font-size:11px;letter-spacing:1.6px;font-weight:700;color:var(--brand-2);text-transform:uppercase;margin-bottom:10px}
.small{font-size:13px;color:var(--ink-3)}
.muted{color:var(--ink-3)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;color:var(--brand);padding:10px 16px;border-radius:8px;font-size:14px;text-decoration:none;font-weight:600}
.btn:hover{border-color:#b9cbd3}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:#174648}
.btn.ghost{border-color:transparent;background:transparent;padding-left:4px;padding-right:4px}
.btn.danger{color:var(--bad)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card + .card{margin-top:16px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.split{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:16px;align-items:start}
.stack>*+*{margin-top:16px}

/* Chips */
.chip{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;background:var(--muted-soft);color:var(--ink-2);margin:2px 4px 2px 0;white-space:nowrap}
.chip.q{background:var(--brand-soft);color:var(--brand)}
.chip.sample{background:var(--warn-soft);color:var(--warn)}
.chip.good{background:var(--good-soft);color:var(--good)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.na{background:var(--muted-soft);color:var(--ink-3)}
.badge{display:inline-block;font-weight:700;font-size:14px;padding:6px 12px;border-radius:8px}
.badge.Low,.badge.Positive{background:var(--good-soft);color:var(--good)}
.badge.Moderate,.badge.Partial{background:var(--warn-soft);color:var(--warn)}
.badge.High,.badge.Limited{background:var(--bad-soft);color:var(--bad)}
.badge.Inconclusive{background:var(--muted-soft);color:var(--ink-2)}

/* Home */
.hero{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:40px;align-items:center;padding:28px 0 18px}
.hero h1{font-size:46px}
.privacy-note{display:flex;gap:12px;align-items:flex-start;background:var(--leaf-soft);border:1px solid #dbe5c9;border-radius:var(--radius);padding:14px 16px;font-size:14px;color:#3f5a2e;line-height:1.55}
.privacy-note b{color:#2f4a20}
.cycle{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;counter-reset:s}
.cycle .st{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px;position:relative}
.cycle .st b{display:block;font-size:14px;margin:4px 0}
.cycle .st span{font-size:12px;color:var(--brand-2);font-weight:700}
.cycle .st p{font-size:13px;margin:0;line-height:1.5}
.section{margin-top:44px}

/* Quadrant matrix */
.matrix{display:grid;grid-template-columns:28px 1fr 1fr;grid-template-rows:1fr 1fr 28px;gap:6px;max-width:440px}
.matrix .ax{font-size:11px;color:var(--ink-3);display:flex;align-items:center;justify-content:center;text-align:center}
.matrix .ax.y{writing-mode:vertical-rl;transform:rotate(180deg)}
.matrix .cell{border:1px solid var(--line);border-radius:10px;background:#fff;padding:12px;min-height:104px;position:relative}
.matrix .cell b{font-size:13px;display:block}
.matrix .cell small{font-size:11px;color:var(--ink-3)}
.matrix .cell.on{border:2px solid var(--brand-2);background:var(--brand-soft)}
.matrix .yrs{margin-top:6px}
.matrix .yrs span{display:inline-block;font-size:11px;background:#fff;border:1px solid #c9dadd;border-radius:12px;padding:1px 7px;margin:2px 3px 0 0;color:var(--brand)}
.matrix .yrs span.last{background:var(--brand);color:#fff;border-color:var(--brand)}

/* Stage tabs */
.stages{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:18px 0 22px;overflow-x:auto}
.stages button{background:none;border:0;border-bottom:3px solid transparent;padding:12px 14px;font-size:14px;color:var(--ink-2);white-space:nowrap}
.stages button span{color:var(--ink-3);font-size:12px;margin-right:6px}
.stages button.on{color:var(--brand);border-bottom-color:var(--brand-2);font-weight:700}
.stages button:disabled{opacity:.45;cursor:not-allowed}

/* Forms */
label{display:block;font-size:13px;font-weight:700;margin-bottom:6px;color:var(--ink)}
label.row{display:flex}
input,select{width:100%;padding:10px;border:1px solid #cfd9e0;border-radius:8px;background:#fff;font-size:14px}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px}
.levels{width:100%;border-collapse:collapse;margin:6px 0}
.levels th{font-size:12px;color:var(--ink-3);text-align:left;font-weight:700;padding:6px 6px}
.levels td{padding:5px 6px}
.levels select{padding:8px 6px}
.levels td:first-child{font-size:14px;font-weight:700;white-space:nowrap;width:90px}
.err{color:var(--bad);font-size:14px}
.ok{color:var(--good);font-size:14px}
details summary{cursor:pointer;color:var(--brand-2);font-size:14px;font-weight:700}
details[open] summary{margin-bottom:8px}

/* Dimensions */
.dims{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.dim{border:1px solid var(--line);border-radius:10px;padding:14px;background:#fff}
.dim h3{font-size:14px;display:flex;justify-content:space-between;gap:8px;align-items:center}
.dim p{font-size:14px;margin:6px 0 0}
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:9px 8px;border-bottom:1px solid var(--line-2)}
.tbl th{font-size:12px;color:var(--ink-3)}

/* Library */
.filters{display:flex;gap:12px;flex-wrap:wrap;margin:14px 0 18px}
.filters>div{min-width:150px}
.lib-card{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit}
.lib-card:hover{border-color:#b9cbd3}
.lib-card h3{color:var(--brand);font-size:17px}
.lib-card p{margin:0;font-size:14px}
.phase{border-left:3px solid var(--leaf);padding:4px 0 4px 14px;margin:14px 0}
.phase b{font-size:14px}
.levelbar{display:flex;gap:6px;margin:8px 0 12px;flex-wrap:wrap}
.levelbar button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 14px;font-size:14px}
.levelbar button.on{background:var(--brand);border-color:var(--brand);color:#fff}
.adapt{background:var(--brand-soft);border-radius:10px;padding:14px 16px;font-size:15px;line-height:1.6;color:var(--ink)}
.frames li{font-style:italic}
.tabs-inline{display:flex;gap:6px;margin-top:6px}
.tabs-inline a{padding:8px 14px;border-radius:8px;text-decoration:none;color:var(--ink-2);border:1px solid var(--line);background:#fff;font-size:14px}
.tabs-inline a.on{background:var(--brand);color:#fff;border-color:var(--brand)}

/* Save bar */
.savebar{position:sticky;bottom:0;background:rgba(255,255,255,.96);border-top:1px solid var(--line);padding:12px 24px;z-index:5}
.savebar-in{max-width:1180px;margin:auto;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;font-size:14px;z-index:30}

/* Auth */
.auth{max-width:420px;margin:20px auto}
.divider{display:flex;align-items:center;gap:10px;color:var(--ink-3);font-size:12px;margin:16px 0}
.divider:before,.divider:after{content:"";flex:1;border-top:1px solid var(--line)}
.prose{max-width:760px}
.prose h2{margin-top:28px}

@media (max-width:900px){
  .hero,.split,.grid3{grid-template-columns:1fr}
  .cycle{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dims,.grid2{grid-template-columns:1fr}
}
@media (max-width:720px){
  h1,.hero h1{font-size:32px}
  .page{padding:22px 16px 40px}
  .top-in{padding:0 16px;gap:12px}
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;height:auto;border-bottom:1px solid var(--line);padding:6px 0}
  .nav.open{display:flex}
  .nav a{padding:12px 18px;border-bottom:0;border-left:3px solid transparent}
  .nav a.on{border-left-color:var(--brand-2)}
  .acct{display:none}
  .nav .acct-m{display:flex}
  .cycle{grid-template-columns:1fr}
  .levels th,.levels td{padding:4px 3px}
  .savebar{padding:10px 16px}
}
.nav .acct-m{display:none}