:root {
  --bg: #0b1220;
  --card: #121a2b;
  --line: #243049;
  --text: #e8eef8;
  --muted: #8b9bb4;
  --accent: #3d8bfd;
  --ok: #3dd68c;
  --danger: #ff5c7a;
  --warn: #f5c542;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", sans-serif;
  color: var(--text);
  background: #0b1220;
  min-height: 100%;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
.wrap { width: min(1100px, calc(100% - 28px)); margin: 0 auto; }
.top {
  background: #07101c;
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.top-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.brand { font-weight: 800; letter-spacing: 1px; }
.brand span { color: var(--accent); }
.nav a, .nav button {
  margin-left: 8px; padding: 8px 12px; border-radius: 8px;
  border: 1px solid var(--line); background: transparent; color: var(--text); cursor: pointer;
}
.page { padding: 28px 0 48px; }
h1 { font-size: 26px; margin-bottom: 6px; }
.muted { color: var(--muted); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 16px; margin-top: 16px;
}
.card h3 { margin-bottom: 8px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12px; color: var(--muted); font-weight: 700; }
.field input, .field select {
  background: #0b1220; border: 1px solid var(--line); border-radius: 8px; padding: 10px;
}
.full { grid-column: 1 / -1; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; cursor: pointer; border-radius: 8px; padding: 10px 14px; font-weight: 700;
}
.btn-blue { background: var(--accent); color: #041018; }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
.btn-wide { width: 100%; }
.msg { margin-top: 8px; font-weight: 700; min-height: 18px; }
.ok { color: var(--ok); }
.err { color: var(--danger); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.table th { color: var(--muted); font-size: 12px; }
.row { border-left: 3px solid var(--accent); padding-left: 10px; margin: 10px 0; }
.badge { padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 800; background: #243049; }
@media (max-width: 800px) {
  .grid-2, .form-grid { grid-template-columns: 1fr; }
  .table-wrap { overflow: auto; }
}