:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #e4e6eb;
  --text: #1c1e21;
  --muted: #8a8d91;
  --primary: #6366f1;
  --primary-d: #4f46e5;
  --danger: #ef4444;
  --green: #10b981;
  --radius: 12px;
}

* { box-sizing: border-box; }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 56px;
}
.brand { font-weight: 700; }
.topbar nav { display: flex; gap: 4px; align-items: center; }
.topbar nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 14px;
}
.topbar nav a:hover { background: var(--bg); color: var(--text); }
.topbar nav a.active { color: var(--primary); background: #eef0ff; }
.topbar nav a.logout { color: var(--danger); }

.container { max-width: 960px; margin: 0 auto; padding: 28px 24px 60px; }

h1 { font-size: 22px; margin: 0 0 20px; }
h2 { font-size: 16px; margin: 0 0 14px; }

.page-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.page-head h1 { margin: 0; }

/* Карточки метрик */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.card.accent { background: var(--primary); border-color: var(--primary); color: #fff; }
.card-value { font-size: 28px; font-weight: 700; }
.card-label { color: var(--muted); font-size: 13px; margin-top: 4px; }
.card.accent .card-label { color: rgba(255,255,255,.85); }

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

/* Таблицы */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.table th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.table a { color: var(--primary); text-decoration: none; font-weight: 600; }
.ellipsis { max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-actions { display: flex; gap: 8px; align-items: center; }
.row-actions form { margin: 0; }

.muted { color: var(--muted); }

.badge { font-size: 12px; padding: 3px 9px; border-radius: 20px; font-weight: 600; }
.badge.on { background: #dcfce7; color: #166534; }
.badge.off { background: #f1f2f4; color: var(--muted); }

/* Кнопки */
.btn {
  display: inline-block;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.btn:hover { background: var(--bg); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-d); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.danger { color: var(--danger); border-color: #f6caca; }
.btn.danger:hover { background: #fef2f2; }

/* Формы */
.form-card, .login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.login-card { max-width: 360px; margin: 60px auto; }
.login-card h1 { text-align: center; }

fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 18px;
  margin: 0 0 18px;
}
legend { font-weight: 600; font-size: 14px; padding: 0 6px; color: var(--primary); }

label { display: block; margin-bottom: 14px; font-size: 14px; font-weight: 500; }
label.check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
label.check input { width: auto; }

input[type=text], input[type=password], input[type=url], select, textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.hint {
  background: #eef0ff;
  border: 1px solid #dfe2ff;
  color: #3a3f6b;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.5;
  margin-bottom: 18px;
}
.hint a { color: var(--primary); }
.hint code {
  background: #fff;
  padding: 1px 5px;
  border-radius: 4px;
  border: 1px solid #dfe2ff;
}

.inline-form { display: flex; gap: 10px; align-items: flex-start; }
.inline-form textarea { flex: 1; margin-top: 0; }

/* Правовые страницы (политика, условия, удаление данных) */
.legal { line-height: 1.6; font-size: 15px; }
.legal h1 { margin-bottom: 6px; }
.legal h2 { margin: 26px 0 8px; font-size: 17px; }
.legal p { margin: 10px 0; }
.legal ul { margin: 10px 0; padding-left: 22px; }
.legal li { margin: 6px 0; }
.legal a { color: var(--primary); }

.alert {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #f6caca;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 14px;
}

@media (max-width: 640px) {
  .grid-2 { grid-template-columns: 1fr; }
}