:root{--bg:#f5f7f5;--surface:#fff;--fg:#1b2420;--muted:#56635d;--line:#cfd7d2;--accent:#0d6b57;--accent-tint:#e1f0eb;--warn:#8a4a12;--warn-tint:#fbefe4;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#111614;--surface:#18201c;--fg:#e3eae6;--muted:#9aa8a1;--line:#34413b;--accent:#54c4a5;--accent-tint:#173129;--warn:#e8a06a;--warn-tint:#2c2017;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:820px;margin:0 auto;padding-inline:max(16px,env(safe-area-inset-left,0px))}
.top{border-bottom:1px solid var(--line);background:var(--surface)}
.top .wrap{display:flex;justify-content:space-between;align-items:center;padding-block:12px;gap:16px;flex-wrap:wrap}
.brand{font-weight:700;color:var(--fg);text-decoration:none}
nav{display:flex;gap:16px}nav a,a{color:var(--accent)}
main.wrap{display:grid;gap:20px;padding-block:28px 48px}
h1{font-size:clamp(26px,5vw,36px);line-height:1.15;margin:0 0 8px;text-wrap:balance}
h2{font-size:20px;margin:0 0 10px;display:flex;align-items:center;gap:10px}
h3{font-size:18px;margin:4px 0 6px}
.lede{font-size:18px;color:var(--muted);max-width:62ch;margin:0}
.card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px}
.n{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--surface);font-size:14px}
.choices{display:grid;gap:8px}.choices label{display:flex;gap:10px;align-items:center}
.hint{color:var(--muted);font-size:14px;margin:8px 0 0}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.tabs button{font:inherit;font-size:14px;padding:8px 12px;border:1px solid var(--line);background:var(--bg);color:var(--fg);border-radius:6px;cursor:pointer}
.tabs button[aria-selected=true]{border-color:var(--accent);background:var(--accent-tint);font-weight:600}
.drop{display:grid;gap:4px;justify-items:center;text-align:center;border:2px dashed var(--line);border-radius:8px;padding:24px;cursor:pointer}
.drop.over{border-color:var(--accent);background:var(--accent-tint)}
.drop input{position:absolute;opacity:0;width:1px;height:1px}
.drop:focus-within{outline:2px solid var(--accent)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
label{display:grid;gap:4px;font-size:14px}label.inline{display:inline-flex;align-items:center;gap:6px}
input,select{font:inherit;font-size:15px;padding:7px 9px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--fg);min-width:0}
input[type=radio],input[type=checkbox]{width:auto}
button,.btn{font:inherit;font-size:15px;padding:9px 14px;border:0;border-radius:6px;background:var(--accent);color:var(--surface);cursor:pointer;text-decoration:none;display:inline-block}
button.link{background:none;color:var(--accent);padding:0;text-decoration:underline}
button:focus-visible,.btn:focus-visible,a:focus-visible{outline:2px solid var(--fg);outline-offset:2px}
.file{border-top:1px solid var(--line);padding-top:12px;margin-top:12px;display:grid;gap:10px}
.file-head{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.map{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}
.result{background:var(--surface);border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:8px;padding:18px;margin-bottom:14px}
.result.register{border-left-color:var(--warn)}
.tag{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;margin-top:8px}
td{padding:6px 0;border-bottom:1px solid var(--line);vertical-align:top}td:last-child{text-align:right}
tr.best td{font-weight:600}
.pill{font-size:12px;padding:2px 7px;border-radius:10px;background:var(--accent-tint);color:var(--accent);white-space:nowrap}
.pill.warnp{background:var(--warn-tint);color:var(--warn)}
.figure{font-size:18px;margin:12px 0 0}
.warn{background:var(--warn-tint);color:var(--warn);padding:10px 12px;border-radius:6px;font-size:14px}
.pro .row{display:flex;gap:10px;align-items:end;flex-wrap:wrap}
.small ul{padding-left:20px;display:grid;gap:8px}.small li{max-width:68ch}
.foot{padding-block:24px 40px;color:var(--muted);font-size:14px}
article.guide{max-width:68ch}article.guide p,article.guide li{margin:0 0 12px}
@media print{.top,.tabs,#pane-file,#pane-manual,.pro,.foot,.small,.intro,#s1,#s2{display:none}.card{border:0}}