:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --primary: #2f81f7;
  --primary-hover: #1f6feb;
  --danger: #f85149;
  --warn: #d29922;
  --ok: #3fb950;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.muted { color: var(--muted); }
.error { color: var(--danger); margin: 8px 0; }

/* Навигация */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
}
.nav-brand { font-weight: 600; color: var(--text); }
.nav-links a { margin: 0 10px; }

/* Контейнер */
.container { padding: 20px; max-width: 1100px; margin: 0 auto; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
h1 { font-size: 22px; }

/* Карточки дашборда */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
}
.card-label { color: var(--muted); font-size: 13px; }
.card-value { font-size: 26px; font-weight: 600; margin-top: 6px; }
.card-value.ok { color: var(--ok); }
.card-value.bad { color: var(--danger); }
.card-sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* Таблица */
.table { width: 100%; border-collapse: collapse; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { color: var(--muted); font-weight: 500; font-size: 13px; }
.table tr:last-child td { border-bottom: none; }
.actions { white-space: nowrap; }

/* Бейджи статуса */
.badge { display: inline-block; padding: 3px 8px; border-radius: 12px; font-size: 12px; }
.badge-online { background: rgba(63,185,80,0.15); color: var(--ok); }
.badge-offline { background: rgba(139,148,158,0.15); color: var(--muted); }

/* Кнопки */
.btn {
  display: inline-block;
  padding: 8px 14px;
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.btn:hover { border-color: var(--muted); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { color: var(--danger); border-color: var(--danger); }
.btn-warn { color: var(--warn); border-color: var(--warn); }
.btn-sm { padding: 4px 9px; font-size: 12px; }
.btn-block { width: 100%; }
.btn:disabled, .btn-disabled {
  color: var(--muted);
  border-color: var(--border);
  background: transparent;
  cursor: not-allowed;
}

/* Формы */
label { display: block; margin: 12px 0 4px; color: var(--muted); font-size: 13px; }
input[type="text"], input[type="password"] {
  width: 100%;
  padding: 9px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 15px;
}
input:focus { outline: none; border-color: var(--primary); }

/* Логин */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card {
  width: 360px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
}
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card .muted { margin: 0 0 18px; }
.login-card form { margin-top: 8px; }

/* Модалки */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  width: 420px;
  max-width: 100%;
  max-height: 90vh;
  overflow: auto;
}
.modal-wide { width: 560px; }
.modal-box .btn { margin-top: 14px; margin-right: 8px; }
.qr { display: block; margin: 14px auto; background: #fff; padding: 8px; border-radius: 6px; }
.result-links { text-align: center; margin-top: 10px; }
.config-preview {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-size: 12px;
  overflow-x: auto;
  max-height: 240px;
}