:root {
  --bg: #0b1220;
  --panel: #141c2b;
  --line: #2a3648;
  --text: #e7eef8;
  --muted: #8b9bb4;
  --accent: #d4a574;
  --ok: #3ddc97;
  --bad: #ff6b6b;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 "Segoe UI", sans-serif; }
a { color: var(--accent); }
h1, h2 { margin: 0 0 12px; }
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
aside { padding: 24px; border-right: 1px solid var(--line); background: #101826; }
nav { display: flex; flex-direction: column; gap: 10px; margin: 24px 0; }
.brand { font-weight: 700; letter-spacing: 0.04em; }
.muted { color: var(--muted); }
main { padding: 28px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 18px 0; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.metric { font-size: 32px; margin: 0; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
button, .ghost { background: var(--accent); color: #1a1208; border: 0; border-radius: 10px; padding: 10px 14px; font-weight: 700; cursor: pointer; }
.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
label { display: block; margin-bottom: 12px; color: var(--muted); }
input, textarea { width: 100%; margin-top: 6px; padding: 10px; border-radius: 10px; border: 1px solid var(--line); background: #0d1524; color: var(--text); }
.stack { max-width: 720px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.error { color: var(--bad); }
.ok { color: var(--ok); }
pre { white-space: pre-wrap; background: #0d1524; border-radius: 12px; padding: 14px; border: 1px solid var(--line); }
.login-body { display: grid; place-items: center; min-height: 100vh; }
.login-card { width: min(420px, calc(100% - 32px)); }
.events { list-style: none; padding: 0; }
.events li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.check input { width: auto; margin-right: 8px; }
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  aside { border-right: 0; border-bottom: 1px solid var(--line); }
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  main { padding: 16px; }
}