:root{--bg:#F5F8F7;--ink:#16252A;--muted:#4A5A5E;--line:#D5E0DE;--card:#fff;--accent:#0D5C61;--accent-ink:#fff;--warn:#FFF1CC;--warn-ink:#7A5600;--bad:#9C2430;--ok:#16653A;--yellow:#F7B500}
@media (prefers-color-scheme:dark){:root{--bg:#0B1F22;--ink:#EAF2F1;--muted:#A9BDBA;--line:#24403F;--card:#102A2D;--accent:#7FD1CB;--accent-ink:#0B1F22;--warn:#3D3210;--warn-ink:#FFE08A;--bad:#FF9AA5;--ok:#8BE0AC}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",sans-serif}
main{max-width:820px;margin:0 auto;padding:24px 16px 64px}
.home{color:var(--accent);text-decoration:none;font-weight:600;font-size:14px}
h1{font-size:30px;margin:10px 0 6px;line-height:1.2}
h2{font-size:19px;margin:22px 0 8px}h2:first-child{margin-top:0}
.lead{color:var(--muted);font-size:17px}
p{margin:6px 0}
a{color:var(--accent)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin:14px 0}
.how ol{margin:0;padding-left:20px}.how li{margin:6px 0}
.rules summary{font-weight:700;cursor:pointer}.rules ul{color:var(--muted);padding-left:20px;margin:10px 0 0}.rules li{margin:5px 0}
label{display:block;font-weight:600;font-size:14px;margin:10px 0}
label small,fieldset>small{display:block;font-weight:400;color:var(--muted);font-size:13px;margin-top:4px}
input:not([type=checkbox]):not([type=radio]),select,textarea{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-weight:400;background:var(--bg);color:var(--ink);min-height:44px}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media (max-width:620px){.row,.row3{grid-template-columns:1fr;gap:0}}
fieldset{border:0;padding:0;margin:14px 0}
legend{font-weight:700;font-size:15px;margin-bottom:4px}
.checks{display:flex;flex-wrap:wrap;gap:6px 18px}
label.chk{display:flex;gap:9px;align-items:flex-start;font-weight:400;margin:8px 0}
label.chk input{width:20px;height:20px;margin:2px 0 0;flex:none;accent-color:var(--accent)}
label.chk.dis{color:var(--muted);opacity:.6}
.states{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:0 10px;margin-top:6px}
.states label.chk{margin:4px 0;font-size:14px}
.count{font-weight:400;color:var(--muted);font-size:12px;float:right}
.btn{display:inline-block;margin-top:10px;padding:12px 18px;border:0;border-radius:10px;background:var(--accent);color:var(--accent-ink);font:700 15px system-ui,sans-serif;cursor:pointer;min-height:44px}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}
.btn.danger{color:var(--bad)}
.btn:disabled{opacity:.6;cursor:default}
.err{background:#FDE2E5;color:#9C2430;padding:10px 12px;border-radius:10px;font-weight:600}
.small{font-size:13px;color:var(--muted)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:13px;font-weight:700;background:var(--line)}
.pill.warn{background:var(--warn);color:var(--warn-ink)}.pill.ok{background:#DDF3E6;color:#16653A}.pill.bad{background:#FDE2E5;color:#9C2430}
.stats{display:flex;gap:24px;flex-wrap:wrap;margin:10px 0}.stats b{display:block;font-size:26px}.stats span{color:var(--muted);font-size:13px}