:root{--bg:#f6f8fb;--card:#fff;--ink:#14202e;--muted:#5b6b7c;--line:#dde4ec;--brand:#0e8f7e;--brand2:#0b6f62;--soft:#e6f5f2;--warn:#b45309;--radius:14px}
@media (prefers-color-scheme:dark){:root{--bg:#0f1720;--card:#16212c;--ink:#e8eef4;--muted:#9fb0c0;--line:#243342;--brand:#2dd4bf;--brand2:#5eead4;--soft:#12322f;--warn:#fbbf24}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--brand2)}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
header.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.top .wrap{display:flex;align-items:center;gap:16px;min-height:56px;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--ink)}
.logo span{color:var(--brand)}
nav.main{display:flex;gap:4px 14px;flex-wrap:wrap;margin-left:auto}
nav.main a{color:var(--muted);text-decoration:none;font-size:.92rem;padding:4px 0}
nav.main a:hover{color:var(--brand2)}
main{padding:22px 0 40px}
h1{font-size:1.8rem;line-height:1.25;margin:.2em 0 .3em}
h2{font-size:1.25rem;margin:1.6em 0 .5em}
.lead{color:var(--muted);margin:0 0 1em}
.crumbs{font-size:.85rem;color:var(--muted)}
.crumbs a{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:14px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.tile{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-decoration:none;color:var(--ink);transition:.15s}
.tile:hover{border-color:var(--brand);transform:translateY(-2px)}
.tile b{display:block;margin-bottom:2px}
.tile small{color:var(--muted)}
.hero{padding:26px 0 8px}
.hero h1{font-size:2.1rem}
.cat{margin:28px 0 8px;font-size:1.1rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
label{display:block;font-weight:600;font-size:.92rem;margin:10px 0 4px}
input,select,textarea,button{font:inherit;color:inherit}
input[type=text],input[type=number],input[type=date],input[type=time],input[type=url],input[type=email],input[type=password],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
textarea{min-height:110px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1 1 140px}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:10px 16px;font-weight:700;cursor:pointer;text-decoration:none}
@media (prefers-color-scheme:dark){.btn{color:#06201c}}
.btn:hover{filter:brightness(1.08)}
.btn.alt{background:transparent;color:var(--brand2);border:1px solid var(--line)}
.btn.sm{padding:6px 10px;font-size:.88rem}
.btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.out{margin-top:12px;padding:14px;background:var(--soft);border-radius:10px;word-break:break-word}
.big{font-size:2rem;font-weight:800}
.muted{color:var(--muted)}
.note{font-size:.85rem;color:var(--warn)}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left}
th{color:var(--muted);font-weight:600}
ul.list{list-style:none;margin:0;padding:0}
ul.list li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
ul.list li span.t{flex:1;word-break:break-word}
ul.list li.done span.t{text-decoration:line-through;color:var(--muted)}
.chip{display:inline-block;background:var(--soft);color:var(--brand2);border-radius:99px;padding:2px 10px;font-size:.8rem}
.ad{margin:18px 0;min-height:90px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);border-radius:10px;color:var(--muted);font-size:.75rem;overflow:hidden}
.ad.empty{display:none}
.promo{background:linear-gradient(135deg,var(--soft),var(--card));border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin:20px 0;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.promo b{display:block}
.faq details{border-bottom:1px solid var(--line);padding:10px 0}
.faq summary{cursor:pointer;font-weight:600}
.related{display:flex;gap:8px;flex-wrap:wrap}
.related a{background:var(--card);border:1px solid var(--line);border-radius:99px;padding:5px 12px;text-decoration:none;font-size:.9rem}
footer.bot{border-top:1px solid var(--line);background:var(--card);padding:20px 0;color:var(--muted);font-size:.88rem}
footer.bot a{color:var(--muted);margin-right:14px}
#cmp{position:fixed;left:12px;right:12px;bottom:12px;z-index:50;max-width:620px;margin:auto;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 8px 30px rgba(0,0,0,.2);display:none;font-size:.9rem}
#cmp .btns{margin-top:8px}
canvas{max-width:100%;border-radius:8px}
.board{display:grid;gap:6px;touch-action:manipulation}
.cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:10px;font-weight:800;background:var(--soft);user-select:none}
@media (max-width:640px){h1{font-size:1.5rem}.hero h1{font-size:1.7rem}nav.main{margin-left:0}}