:root { --bg: #f2f4f8; --card: #fff; --ink: #111827; --muted: #6b7280; --line: #e5e7eb; --brand: #0f766e; --red: #b91c1c; --amber: #b45309; --green: #15803d; }
@media (prefers-color-scheme: dark) { :root { --bg: #0b1120; --card: #111827; --ink: #e5e7eb; --muted: #9ca3af; --line: #1f2937; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
a { color: var(--brand); text-decoration: none; }
h1 { font-size: 22px; margin: 0 0 6px; } h2 { font-size: 17px; margin: 0 0 12px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
.top a { color: var(--ink); } .top nav { display: flex; gap: 14px; align-items: center; } .top form { margin: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; margin-bottom: 16px; overflow-x: auto; }
.narrow { max-width: 480px; margin-left: auto; margin-right: auto; }
.grid { display: grid; gap: 16px; } .g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 760px) { .g2, .g3 { grid-template-columns: 1fr; } .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; } .mt { margin-top: 14px; }
.stat .label { color: var(--muted); font-size: 13px; } .stat .value { font-size: 24px; font-weight: 700; } .stat small { color: var(--muted); }
.field { margin-bottom: 12px; } label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
input, select, textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; background: var(--card); color: var(--ink); font: inherit; }
.row input, .row select { width: auto; } input.invalid { border-color: var(--red); background: color-mix(in srgb, var(--red) 8%, transparent); }
.err { color: var(--red); display: block; margin-top: 3px; }
.btn { display: inline-block; padding: 9px 15px; border-radius: 9px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; } .btn.danger { color: var(--red); } .btn.small { padding: 5px 10px; font-size: 13px; }
button.link { background: none; border: 0; color: var(--brand); font: inherit; cursor: pointer; padding: 0; }
.muted { color: var(--muted); }
table { width: 100%; border-collapse: collapse; } th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; color: var(--muted); } .num { text-align: right; }
code { font-family: ui-monospace, Consolas, monospace; }
.alert { padding: 11px 14px; border-radius: 10px; margin-bottom: 14px; border: 1px solid; }
.alert.ok { color: var(--green); border-color: color-mix(in srgb, var(--green) 35%, transparent); background: color-mix(in srgb, var(--green) 8%, transparent); }
.alert.error { color: var(--red); border-color: color-mix(in srgb, var(--red) 35%, transparent); background: color-mix(in srgb, var(--red) 8%, transparent); }
.alert.warn { color: var(--amber); border-color: color-mix(in srgb, var(--amber) 35%, transparent); background: color-mix(in srgb, var(--amber) 8%, transparent); }
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.badge.green { color: var(--green); background: color-mix(in srgb, var(--green) 14%, transparent); } .badge.amber { color: var(--amber); background: color-mix(in srgb, var(--amber) 14%, transparent); }
.badge.red { color: var(--red); background: color-mix(in srgb, var(--red) 14%, transparent); } .badge.gray { color: var(--muted); background: var(--line); }
summary.btn { list-style: none; } summary.btn::-webkit-details-marker { display: none; }