:root{--bg:#f6f7fb;--surface:#fff;--ink:#0f172a;--ink-2:#334155;--muted:#64748b;--hair:#e2e8f0;--brand:#2563eb;--on-brand:#fff;--warn-bg:#fef3c7;--warn-ink:#92400e;--ok-bg:#dcfce7;--ok-ink:#166534;--err-bg:#fee2e2;--err-ink:#991b1b}
@media (prefers-color-scheme:dark){:root{--bg:#0b1020;--surface:#121a2e;--ink:#e2e8f0;--ink-2:#cbd5e1;--muted:#94a3b8;--hair:#1e293b;--brand:#60a5fa;--on-brand:#0b1020;--warn-bg:#422006;--warn-ink:#fde68a;--ok-bg:#052e16;--ok-ink:#86efac;--err-bg:#450a0a;--err-ink:#fecaca}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:24px 16px 48px}
header.top{display:flex;align-items:center;gap:10px;margin-bottom:20px;color:var(--muted);font-size:14px}
header.top a{color:inherit;text-decoration:none}
header.top b{color:var(--ink)}
.card{background:var(--surface);border:1px solid var(--hair);border-radius:14px;padding:24px 20px;margin-bottom:16px}
h1{font-size:26px;line-height:1.3;margin:0 0 8px}
h2{font-size:19px;margin:28px 0 8px}
h3{font-size:16px;margin:20px 0 6px}
p,li{color:var(--ink-2)}
ul,ol{padding-left:22px}
a{color:var(--brand)}
.meta{color:var(--muted);font-size:14px;margin:0 0 4px}
table{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0}
th,td{border:1px solid var(--hair);padding:8px;text-align:left;vertical-align:top}
th{background:color-mix(in srgb,var(--brand) 8%,transparent)}
.tbl{overflow-x:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border-radius:10px;border:1px solid var(--hair);background:var(--surface);color:var(--ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.btn.danger{background:#dc2626;border-color:#dc2626;color:#fff}
.btn.sm{min-height:34px;padding:0 12px;font-size:14px}
.btn[disabled]{opacity:.55;cursor:default}
.stack{display:grid;gap:10px}
.row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid var(--hair)}
.row:first-child{border-top:0}
.note{border-radius:10px;padding:12px 14px;font-size:14px}
.note.warn{background:var(--warn-bg);color:var(--warn-ink)}
.note.ok{background:var(--ok-bg);color:var(--ok-ink)}
.note.err{background:var(--err-bg);color:var(--err-ink)}
input,textarea{width:100%;font:inherit;padding:10px 12px;border-radius:10px;border:1px solid var(--hair);background:var(--surface);color:var(--ink)}
label{font-size:14px;color:var(--muted)}
.hidden{display:none!important}
footer{color:var(--muted);font-size:13px;text-align:center;margin-top:28px}