:root {
  --bg: #0f1115;
  --surface: #181b22;
  --surface-2: #21252e;
  --border: #2c313c;
  --text: #e7e9ee;
  --muted: #99a0ae;
  --accent: #4f8cff;
  --accent-2: #3ad29f;
  --danger: #ff5c6c;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.nav { display: flex; align-items: center; gap: 12px; }
.user { color: var(--muted); font-size: .9rem; }
.inline { display: inline; margin: 0; }

.container { max-width: 900px; margin: 32px auto; padding: 0 18px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 22px;
}
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-head h2 { margin: 0; }
.auth-card { max-width: 440px; margin: 48px auto; }
.auth-card h1 { margin-top: 0; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 22px; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat-primary { background: linear-gradient(135deg, #1c2740, #182033); border-color: #2b3b5e; }
.stat-label { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em; }
.stat-value { font-size: 1.7rem; font-weight: 700; margin-top: 6px; }

label { display: block; margin-bottom: 14px; font-size: .9rem; color: var(--muted); }
input, select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.actions { display: flex; gap: 10px; margin-top: 6px; }
.row-actions { display: inline-flex; gap: 8px; justify-content: flex-end; }
.row-actions form { margin: 0; }
label.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
label.check input { width: auto; margin: 0; }

.btn {
  display: inline-block;
  border: none;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { filter: brightness(1.08); }
.btn-small { padding: 6px 12px; font-size: .85rem; }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-danger { background: transparent; border: 1px solid var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; filter: none; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: .92rem; }
.table th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.table td.strong { font-weight: 600; }
.table td.right, .table th.right { text-align: right; }
.table tr.inactive { opacity: .5; }

.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: .9rem; }
.alert-error { background: rgba(255, 92, 108, .12); border: 1px solid var(--danger); color: #ffb3ba; }
.alert-info { background: rgba(58, 210, 159, .12); border: 1px solid var(--accent-2); color: #a9ecd4; }

.muted { color: var(--muted); }
a { color: var(--accent); }
.footer { text-align: center; color: var(--muted); font-size: .82rem; padding: 24px; }

@media (max-width: 640px) {
  .stats { grid-template-columns: 1fr; }
  .row { grid-template-columns: 1fr; }
}