:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel2: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --line: #374151;
  --accent: #f59e0b;
  --accent2: #2563eb;
  --danger: #ef4444;
  --ok: #22c55e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: #93c5fd; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1180px, 100%); margin: 0 auto; padding: 18px; }
.topbar {
  background: #020617;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}
.topbar-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { font-weight: 800; letter-spacing: .02em; }
.nav { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.nav a, .nav button, .btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--text);
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 14px;
  cursor: pointer;
}
.nav button { font-family: inherit; }
.btn.primary { background: var(--accent2); border-color: var(--accent2); }
.btn.warning { background: var(--accent); border-color: var(--accent); color: #111827; }
.btn.danger { background: var(--danger); border-color: var(--danger); }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  margin: 16px 0;
  box-shadow: 0 8px 24px rgba(0,0,0,.18);
}
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stat { background: var(--panel2); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.stat strong { display: block; font-size: 28px; margin-top: 6px; }
label { display: block; font-weight: 700; margin: 12px 0 6px; }
input, select, textarea {
  width: 100%;
  padding: 11px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #020617;
  color: var(--text);
  font: inherit;
}
textarea { min-height: 100px; resize: vertical; }
.form-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.alert { padding: 12px 14px; border-radius: 12px; margin: 12px 0; border: 1px solid var(--line); }
.alert.error { background: rgba(239,68,68,.1); border-color: rgba(239,68,68,.5); }
.alert.ok { background: rgba(34,197,94,.1); border-color: rgba(34,197,94,.5); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: 13px; }
.badge { display: inline-block; padding: 5px 8px; border-radius: 999px; background: var(--panel2); border: 1px solid var(--line); font-size: 12px; }
.badge.ok { border-color: rgba(34,197,94,.6); color: #86efac; }
.badge.warn { border-color: rgba(245,158,11,.7); color: #fde68a; }
.muted { color: var(--muted); }
.public-shell { min-height: 100vh; display: grid; place-items: center; padding: 18px; }
.public-box { width: min(680px, 100%); }
.footer-note { margin-top: 28px; color: var(--muted); font-size: 13px; }
@media (max-width: 800px) {
  .grid, .grid.two { grid-template-columns: 1fr; }
  .topbar-inner { align-items: flex-start; flex-direction: column; }
  .nav { width: 100%; }
  .nav a, .nav button { flex: 1 1 auto; text-align: center; }
}