:root{--bg:#f3f5f8;--card:#fff;--ink:#1c2430;--muted:#5d6b7a;--line:#dfe4ea;--brand:#1f5f8b;--brand-2:#174b6e;--ok:#1d7a4d;--warn:#b26a00;--err:#b3261e;--radius:12px}
@media (prefers-color-scheme:dark){:root{--bg:#0f1519;--card:#18222b;--ink:#e8edf2;--muted:#9aa8b5;--line:#2a3742;--brand:#4b9be0;--brand-2:#6db1ee}}
*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--ink)}
a{color:var(--brand)}code{background:rgba(127,127,127,.15);padding:.1em .4em;border-radius:6px}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;background:var(--card);border-bottom:1px solid var(--line);flex-wrap:wrap}
.brand{font-weight:700;text-decoration:none;color:var(--ink);display:flex;align-items:center;gap:10px}
.logo{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;font-size:14px}
nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}nav a{text-decoration:none;color:var(--ink);padding:6px 4px;border-bottom:2px solid transparent}nav a.active{border-color:var(--brand)}
.who{color:var(--muted);font-size:14px}
.wrap{max-width:1080px;margin:0 auto;padding:24px 16px}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:24px}
h1{font-size:26px;margin:.2em 0 .4em}h2{font-size:18px;margin:0 0 .6em}h3{font-size:15px;margin:1.2em 0 .5em;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.muted{color:var(--muted)}.hint{color:var(--muted);font-size:14px}
.btn{display:inline-block;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:9px;padding:9px 16px;text-decoration:none;font:inherit;cursor:pointer;line-height:1.2}
.btn:hover{background:var(--brand-2);border-color:var(--brand-2)}.btn.ghost{background:transparent;color:var(--brand)}.btn.ghost:hover{background:rgba(31,95,139,.08)}
.btn.small{padding:5px 11px;font-size:14px}.btn.big{padding:13px 24px;font-size:18px}.btn.danger{background:var(--err);border-color:var(--err)}.btn.danger:hover{filter:brightness(.9)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:18px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:760px){.grid2{grid-template-columns:1fr}}
.hero{text-align:center;padding:60px 10px}.hero p{color:var(--muted);font-size:18px;margin-bottom:28px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px;margin-top:18px}
.tile{display:flex;flex-direction:column;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-decoration:none;color:var(--ink);min-height:104px;transition:transform .12s,box-shadow .12s}
.tile:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.08);border-color:var(--brand)}
.tile-title{font-weight:600;font-size:17px}.tile-desc{color:var(--muted);font-size:14px}
.tile.locked{opacity:.55;cursor:not-allowed}.tile.locked:hover{transform:none;box-shadow:none;border-color:var(--line)}.lock{font-size:13px}
.banner{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;background:linear-gradient(90deg,rgba(178,106,0,.12),rgba(178,106,0,.04));border:1px solid rgba(178,106,0,.4);border-left:5px solid var(--warn);border-radius:var(--radius);padding:14px 18px;margin-bottom:22px}
.banner-actions{display:flex;gap:10px;align-items:center}
.flash{padding:12px 16px;border-radius:9px;margin-bottom:16px;border:1px solid}
.flash.ok{background:rgba(29,122,77,.1);border-color:var(--ok)}.flash.warn{background:rgba(178,106,0,.1);border-color:var(--warn)}.flash.err{background:rgba(179,38,30,.1);border-color:var(--err)}
.badge{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;color:#fff;vertical-align:middle}.badge.ok{background:var(--ok)}.badge.warn{background:var(--warn)}.badge.err{background:var(--err)}
.chip{display:inline-block;font-size:12px;padding:2px 9px;border-radius:999px;background:rgba(31,95,139,.12);color:var(--brand);margin:2px 4px 2px 0}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:6px 16px;margin:0}.kv dt{color:var(--muted)}.kv dd{margin:0}
.tbl{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tbl th,.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}.tbl th{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.tbl tr:last-child td{border-bottom:0}.right{text-align:right}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.form label{display:block;margin-bottom:12px;font-weight:500}.form input{display:block;width:100%;margin-top:4px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
.form small,.check small{color:var(--muted);font-weight:400}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:6px 18px;margin-bottom:14px}.check{display:flex;gap:8px;align-items:baseline;font-weight:400}
.pw code{font-size:20px;padding:6px 12px;letter-spacing:.05em}
.danger-zone{margin-top:16px;border:1px dashed var(--err);border-radius:9px;padding:8px 12px}.danger-zone summary{cursor:pointer;color:var(--err)}.danger-zone input{display:block;margin:6px 0 10px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font:inherit}
form{display:inline}details form{display:block}