:root {
  color-scheme: dark;
  --bg: #0d1117;
  --panel: #151b23;
  --line: #2a3441;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #64d2ff;
  --danger: #ff6b6b;
  --green: #58d68d;
  --yellow: #f4c95d;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 system-ui, -apple-system, Segoe UI, sans-serif; }
a { color: var(--accent); text-decoration: none; }
button, .button { background: var(--accent); color: #061018; border: 0; border-radius: 6px; padding: 9px 13px; font-weight: 700; cursor: pointer; display: inline-flex; align-items: center; }
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
button.danger { background: var(--danger); color: #230606; }
.topbar { min-height: 58px; display: flex; gap: 24px; align-items: center; padding: 0 24px; border-bottom: 1px solid var(--line); background: #0f141b; position: sticky; top: 0; z-index: 2; }
.brand { font-weight: 800; color: var(--text); }
.topbar nav { display: flex; gap: 14px; flex: 1; }
.topbar form { margin: 0; }
.page { max-width: 1280px; margin: 0 auto; padding: 28px 20px 56px; }
.section-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 22px; }
h1, h2 { margin: 0 0 6px; line-height: 1.1; }
p { color: var(--muted); margin: 0; }
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 22px; }
.metric-grid article, .panel, .login-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.metric-grid span { color: var(--muted); display: block; margin-bottom: 8px; }
.metric-grid strong { font-size: 26px; }
.compact strong { font-size: 18px; }
.filters, .copy-row, .actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filters { margin-bottom: 14px; }
input, select, textarea { width: 100%; background: #0f141b; color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 9px 10px; }
.filters input { max-width: 360px; }
.filters select { max-width: 190px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.badge { border-radius: 999px; padding: 3px 8px; font-size: 12px; font-weight: 700; }
.badge.green { background: rgba(88,214,141,.14); color: var(--green); }
.badge.red { background: rgba(255,107,107,.14); color: var(--danger); }
.badge.yellow { background: rgba(244,201,93,.14); color: var(--yellow); }
.small { padding: 5px 8px; border: 1px solid var(--line); border-radius: 5px; background: transparent; color: var(--text); }
.truncate { max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(220px, 1fr)); gap: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 22px; }
.form-grid label { display: grid; gap: 6px; color: var(--muted); }
.form-grid .wide { grid-column: 1 / -1; }
.form-grid .check { display: flex; align-items: center; gap: 8px; }
.form-grid .check input { width: auto; }
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-panel { width: min(420px, 100%); }
.stack { display: grid; gap: 12px; }
.alert { padding: 10px 12px; border: 1px solid rgba(255,107,107,.5); border-radius: 6px; color: var(--danger); margin-bottom: 12px; background: rgba(255,107,107,.08); }
.result-grid { display: grid; grid-template-columns: 1fr 220px; gap: 22px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 16px; }
.copy-row { margin-bottom: 14px; }
.copy-row input { flex: 1; min-width: 220px; }
.qr { width: 220px; height: 220px; background: white; border-radius: 8px; padding: 10px; }
pre { overflow-x: auto; background: #090d12; border: 1px solid var(--line); border-radius: 6px; padding: 12px; max-height: 420px; }
@media (max-width: 760px) {
  .topbar { align-items: flex-start; flex-direction: column; padding: 14px; }
  .section-head, .result-grid { grid-template-columns: 1fr; display: grid; }
  .form-grid { grid-template-columns: 1fr; }
}