:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --text: #17212b;
  --muted: #607080;
  --border: #d7dee5;
  --accent: #0b6bcb;
  --danger: #b42318;
}

@media (prefers-color-scheme: dark) {
  :root { --bg:#11161c; --panel:#182029; --text:#eef4f8; --muted:#9cafbf; --border:#33414e; --accent:#5da9f6; --danger:#ff8a80; }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
header { display:flex; justify-content:space-between; align-items:center; gap:16px; padding:20px 28px; background:var(--panel); border-bottom:1px solid var(--border); }
header h1 { margin:0; font-size:1.45rem; }
header p { margin:4px 0 0; color:var(--muted); }
main { max-width:1480px; margin:0 auto; padding:24px; }
.panel { background:var(--panel); border:1px solid var(--border); border-radius:14px; padding:20px; margin-bottom:20px; box-shadow:0 4px 16px rgba(0,0,0,.04); }
.auth-panel { max-width:680px; margin:50px auto; }
.row, .filters, .panel-heading, .dialog-actions { display:flex; align-items:center; gap:10px; }
.panel-heading { justify-content:space-between; flex-wrap:wrap; }
.filters { flex-wrap:wrap; }
input, select, textarea, button { font:inherit; }
input, select, textarea { width:100%; padding:10px 12px; border:1px solid var(--border); border-radius:9px; background:var(--panel); color:var(--text); }
.filters input { width:240px; }
.filters select { width:auto; }
button { border:0; border-radius:9px; padding:10px 14px; background:var(--accent); color:#fff; cursor:pointer; }
button.secondary { background:transparent; color:var(--text); border:1px solid var(--border); }
button.danger { background:var(--danger); }
button:disabled { opacity:.55; cursor:not-allowed; }
.summary-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; margin-bottom:20px; }
.summary-card { background:var(--panel); border:1px solid var(--border); border-radius:12px; padding:16px; }
.summary-card strong { display:block; font-size:1.6rem; margin-top:6px; }
.summary-card span { color:var(--muted); }
.tabs { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:14px; }
.tab { background:transparent; color:var(--text); border:1px solid var(--border); }
.tab.active { background:var(--accent); color:#fff; }
.table-wrap { overflow:auto; }
table { width:100%; border-collapse:collapse; min-width:900px; }
th, td { text-align:left; padding:10px; border-bottom:1px solid var(--border); vertical-align:top; }
th { color:var(--muted); font-weight:600; }
.status { display:inline-block; border:1px solid var(--border); border-radius:999px; padding:3px 8px; font-size:.82rem; white-space:nowrap; }
.actions { display:flex; gap:6px; flex-wrap:wrap; }
.actions button { padding:6px 8px; font-size:.82rem; }
.stack { display:grid; gap:12px; }
.stack label { display:grid; gap:6px; color:var(--muted); }
.split { display:grid; grid-template-columns:minmax(280px,380px) 1fr; gap:28px; }
.message { min-height:1.2em; color:var(--muted); }
pre { white-space:pre-wrap; overflow-wrap:anywhere; background:var(--bg); border:1px solid var(--border); border-radius:10px; padding:14px; min-height:90px; }
dialog { border:1px solid var(--border); border-radius:14px; background:var(--panel); color:var(--text); width:min(520px,calc(100vw - 30px)); }
dialog::backdrop { background:rgba(0,0,0,.45); }
.dialog-actions { justify-content:flex-end; }
code { background:var(--bg); border:1px solid var(--border); border-radius:5px; padding:2px 5px; }
.small { color:var(--muted); font-size:.86rem; }

@media (max-width: 900px) {
  .split { grid-template-columns:1fr; }
  .row { flex-direction:column; align-items:stretch; }
  header { align-items:flex-start; }
  main { padding:14px; }
}