:root {
  color-scheme: dark;
  --base: #0b1120;
  --surface: #111827;
  --surface-alt: #1f2937;
  --line: #1e293b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --blue: #3b82f6;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--base);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 60px;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: rgba(11, 17, 32, 0.9); backdrop-filter: blur(8px); z-index: 20;
}
.brand { font-weight: 800; letter-spacing: -0.02em; font-size: 18px; color: var(--text); }
.brand span { color: var(--primary-light); }
.brand small { color: var(--muted); font-weight: 500; }

main { max-width: 1100px; margin: 0 auto; padding: 22px 18px; }
section.card.center { max-width: 380px; margin: 12vh auto; text-align: center; }

.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
  padding: 18px; margin-bottom: 16px;
}
h2 { margin: 4px 0 18px; font-size: 20px; }
h3 { font-size: 16px; margin: 0 0 12px; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.cards .card { margin: 0; }
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat b { font-size: 26px; }
.stat span { color: var(--muted); font-size: 12px; }
.chips-inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; grid-column: 1 / -1; }
.chip { background: var(--surface-alt); border: 1px solid var(--line); border-radius: 999px; padding: 3px 10px; font-size: 12px; color: var(--muted); }

.fld { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; text-align: left; }
.fld span { font-size: 12px; color: var(--muted); }
.input {
  background: var(--surface-alt); border: 1px solid var(--line); color: var(--text);
  border-radius: 9px; padding: 10px 12px; font-size: 14px; outline: none; width: 100%;
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.18); }

.btn {
  background: var(--surface-alt); color: var(--text); border: 1px solid var(--line);
  border-radius: 9px; padding: 10px 14px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: var(--line); }
.btn.sm { padding: 6px 10px; font-size: 12px; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.ghost { background: transparent; }
.btn.danger { background: rgba(239, 68, 68, 0.15); border-color: rgba(239, 68, 68, 0.3); color: #fca5a5; }
.btn.danger:hover { background: rgba(239, 68, 68, 0.25); }

.row { display: flex; align-items: center; gap: 10px; }
.between { justify-content: space-between; }
.form-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.form-row .fld { margin-bottom: 0; }
.grow { flex: 1 1 200px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.r { text-align: right; }

.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--muted); padding: 10px 10px; border-bottom: 1px solid var(--line);
}
.tbl td { padding: 10px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl .r { text-align: right; }

.badge { display: inline-block; border-radius: 999px; padding: 2px 9px; font-size: 11px; font-weight: 700; border: 1px solid var(--line); }
.badge.blue { background: rgba(59, 130, 246, 0.15); color: #93c5fd; border-color: rgba(59, 130, 246, 0.3); }
.badge.green { background: rgba(34, 197, 94, 0.15); color: #86efac; border-color: rgba(34, 197, 94, 0.3); }
.badge.amber { background: rgba(245, 158, 11, 0.15); color: #fcd34d; border-color: rgba(245, 158, 11, 0.3); }
.badge.red { background: rgba(239, 68, 68, 0.15); color: #fca5a5; border-color: rgba(239, 68, 68, 0.3); }
.badge.gray { background: var(--surface-alt); color: var(--muted); }

.act-row td { background: rgba(0, 0, 0, 0.2); }
.act { display: flex; align-items: center; gap: 10px; padding: 6px 0; flex-wrap: wrap; }

.mini-ok { color: #86efac; font-size: 13px; margin-top: 10px; }
.mini-err { color: #fca5a5; font-size: 13px; margin-top: 10px; }
.keybox {
  margin-top: 8px; display: flex; align-items: center; gap: 10px;
  background: var(--base); border: 1px dashed var(--line); border-radius: 9px; padding: 10px 12px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; word-break: break-all;
}

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--surface-alt); border: 1px solid var(--line); color: var(--text);
  padding: 10px 16px; border-radius: 10px; font-size: 13px; z-index: 50;
}
.toast.err { background: rgba(239, 68, 68, 0.2); border-color: rgba(239, 68, 68, 0.4); color: #fca5a5; }

@media (max-width: 720px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}