* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --card: #181b24;
  --border: #2a2e3b;
  --text: #e6e8ee;
  --muted: #8b90a0;
  --primary: #4f7cff;
  --danger: #e05252;
  --ok: #3dbb6e;
}

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

.nav { background: var(--card); border-bottom: 1px solid var(--border); }
.nav-inner {
  max-width: 960px; margin: 0 auto; padding: 12px 20px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.05rem; }
.nav-links { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
.nav-links a:hover { color: var(--text); }

.container { max-width: 960px; margin: 24px auto; padding: 0 20px; }
h1 { font-size: 1.5rem; margin-bottom: 16px; }
h2 { font-size: 1.05rem; margin-bottom: 12px; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 18px 20px; margin-bottom: 16px;
}

.auth-card {
  max-width: 380px; margin: 48px auto; background: var(--card);
  border: 1px solid var(--border); border-radius: 12px; padding: 28px;
}
.auth-card h1 { margin-bottom: 18px; }
.auth-card form { display: flex; flex-direction: column; gap: 8px; }
.auth-card p { margin-top: 14px; }

label { font-size: 0.88rem; color: var(--muted); }
input[type="email"], input[type="password"], input[type="text"], input[type="number"] {
  width: 100%; padding: 9px 12px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
  font-size: 0.95rem;
}
input:focus { outline: none; border-color: var(--primary); }

.btn {
  display: inline-block; padding: 9px 16px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  cursor: pointer; text-decoration: none; font-size: 0.92rem;
}
.btn:hover { border-color: var(--primary); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; margin-top: 8px; }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 5px 11px; font-size: 0.84rem; }

.alert {
  background: rgba(224, 82, 82, 0.12); border: 1px solid var(--danger);
  color: #ff9c9c; border-radius: 7px; padding: 10px 14px; margin: 10px 0; font-size: 0.9rem;
}

.muted { color: var(--muted); }
.small { font-size: 0.82rem; }

code {
  background: var(--bg); border: 1px solid var(--border);
  padding: 2px 7px; border-radius: 5px; font-size: 0.86rem; word-break: break-all;
}
pre {
  background: var(--bg); border: 1px solid var(--border); border-radius: 7px;
  padding: 13px 16px; overflow-x: auto; font-size: 0.85rem;
}

.key-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.key-row form { display: inline; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.stat { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 13px 15px; }
.stat-label { font-size: 0.82rem; color: var(--muted); margin-bottom: 4px; }
.stat-value { font-size: 1.35rem; font-weight: 600; }
.bar { height: 5px; background: var(--border); border-radius: 3px; margin-top: 9px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--primary); border-radius: 3px; }

table { width: 100%; border-collapse: collapse; font-size: 0.89rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 0.82rem; }
tr:last-child td { border-bottom: none; }

.tag { padding: 2px 9px; border-radius: 20px; font-size: 0.78rem; }
.tag-ok { background: rgba(61, 187, 110, 0.15); color: var(--ok); }
.tag-off { background: rgba(224, 82, 82, 0.15); color: var(--danger); }
.tag-admin { background: rgba(79, 124, 255, 0.15); color: var(--primary); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 12px; }
.checkbox { display: flex; align-items: center; gap: 8px; margin: 8px 0; color: var(--text); }
.limit-form button { margin-top: 10px; }