:root{--bg:#f4f7f6;--card:#fff;--ink:#14231f;--muted:#5b6b66;--brand:#0f766e;--brand2:#115e59;--line:#d9e3e0;--bad:#b42318;--good:#15803d}
@media(prefers-color-scheme:dark){:root{--bg:#0e1715;--card:#16221f;--ink:#e7f0ed;--muted:#9bb0aa;--brand:#2dd4bf;--brand2:#5eead4;--line:#27403a;--bad:#f87171;--good:#4ade80}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
.top{background:var(--brand);color:#fff}.top .wrap{display:flex;justify-content:space-between;align-items:baseline;padding:12px 16px;gap:8px;flex-wrap:wrap}
.top small{opacity:.85}
@media(prefers-color-scheme:dark){.top{background:#0b3d37}}
.nav{max-width:760px;margin:0 auto;padding:0 16px 10px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.nav a,.nav .link{color:#fff;font-size:.95rem}.nav form{margin:0}
main{padding-bottom:24px}footer{padding:16px;font-size:.85rem;text-align:center}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin:16px 0}
.card.narrow{max-width:420px;margin:40px auto}
h1{font-size:1.4rem;margin:.1em 0 .5em}h2{font-size:1.1rem;margin:1.2em 0 .5em}h3{font-size:1rem;margin:0 0 .6em}
.muted{color:var(--muted)}
label{display:block;margin:12px 0;font-weight:600}
input:not([type=radio]):not([type=checkbox]),select,textarea{display:block;width:100%;margin-top:6px;padding:11px 12px;font:inherit;color:inherit;background:var(--bg);border:1px solid var(--line);border-radius:10px}
input:focus,select:focus,textarea:focus,.btn:focus-visible,summary:focus-visible{outline:3px solid var(--brand);outline-offset:1px}
.check,.opt{font-weight:400;display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line);border-radius:10px;margin:8px 0;cursor:pointer}
.check input,.opt input{margin-top:5px;flex:none;width:18px;height:18px}
fieldset.q{border:0;padding:0;margin:18px 0}fieldset.q legend{font-weight:600;padding:0;margin-bottom:6px}
.likert{display:grid;grid-template-columns:repeat(2,1fr);gap:0 8px}@media(min-width:620px){.likert{grid-template-columns:repeat(4,1fr)}}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 22px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none;margin-top:10px}
.btn:hover{background:var(--brand2)}.btn.ghost{background:transparent;color:var(--brand);border:2px solid var(--brand)}
@media(prefers-color-scheme:dark){.btn{color:#04201c}}
button.link{background:none;border:0;color:inherit;font:inherit;text-decoration:underline;cursor:pointer;padding:0}
.danger{color:var(--bad)!important}
.alert{background:#fee4e2;color:#7a271a;border-radius:10px;padding:10px 12px}.ok{background:#dcfae6;color:#085d3a;border-radius:10px;padding:10px 12px}
.steps{list-style:none;display:flex;gap:4px;padding:0;margin:16px 0 0;overflow-x:auto}
.steps li{flex:1;min-width:46px;text-align:center;font-size:.72rem;color:var(--muted)}
.steps span{display:grid;place-items:center;width:28px;height:28px;margin:0 auto 2px;border-radius:50%;border:2px solid var(--line);font-weight:700}
.steps .done span{background:var(--brand);border-color:var(--brand);color:#fff}.steps .now span{border-color:var(--brand);color:var(--brand)}.steps .now{color:var(--ink);font-weight:700}
.steps em{font-style:normal;display:block}
.flow{padding-left:1.2em;margin:.5em 0}.flow li{margin:.2em 0}
.video{position:relative;aspect-ratio:16/9;background:#000;border-radius:10px;overflow:hidden;margin:12px 0}
.video iframe,.video video{position:absolute;inset:0;width:100%;height:100%;border:0}
.grid2{display:grid;gap:14px;margin:14px 0}@media(min-width:620px){.grid2{grid-template-columns:1fr 1fr}}
.panel{border:1px solid var(--line);border-radius:12px;padding:14px}
.bar{display:grid;grid-template-columns:70px 1fr 34px;gap:8px;align-items:center;margin:8px 0;font-size:.9rem}
.track{height:12px;background:var(--bg);border-radius:6px;overflow:hidden;border:1px solid var(--line)}.track i{display:block;height:100%;background:var(--brand)}
.up{color:var(--good)}.down{color:var(--bad)}
.loc li{margin:.3em 0}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.stats div{border:1px solid var(--line);border-radius:12px;padding:12px}.stats b{display:block;font-size:1.4rem}.stats span{font-size:.82rem;color:var(--muted)}
.scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.88rem}th,td{padding:8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
details.card summary{cursor:pointer}.tag{font-size:.72rem;background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:1px 6px;margin-right:6px}
[hidden]{display:none!important}
.tabs{margin:.5em 0}.tabs b{color:var(--brand)}code{background:var(--bg);padding:1px 4px;border-radius:4px;font-size:.85em}