:root {
  --background: #09090b;
  --sidebar: #111114;
  --surface: #18181b;
  --surface-hover: #222226;
  --border: #2a2a30;
  --primary: #dc2626;
  --primary-hover: #b91c1c;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--background);
  color: var(--text-primary);
}
a { color: #fca5a5; }
.muted { color: var(--text-secondary); }
.admin-body { min-height: 100vh; }
.admin-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--border);
  padding: 1rem;
}
.sidebar-brand { display: flex; align-items: center; gap: .6rem; font-weight: 700; margin-bottom: 1.2rem; }
.brand-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--primary); }
.sidebar-nav { display: grid; gap: .35rem; }
.nav-link {
  display: flex; align-items: center; gap: .65rem;
  padding: .65rem .75rem; border-radius: 10px; color: var(--text-secondary); text-decoration: none;
  transition: .2s ease;
}
.nav-link:hover, .nav-link.active { background: var(--surface-hover); color: var(--text-primary); }
.main-area { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); background: rgba(17,17,20,.7); backdrop-filter: blur(8px);
}
.topbar h1 { margin: 0; font-size: 1.25rem; }
.content { padding: 1.25rem; display: grid; gap: 1rem; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .75rem; }
.stat strong { display: block; font-size: 1.6rem; margin-top: .35rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: .55rem .4rem; border-bottom: 1px solid var(--border); text-align: left; font-size: .92rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid transparent; padding: .55rem .9rem;
  font-weight: 600; cursor: pointer; text-decoration: none; transition: .2s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-primary); }
.btn-danger { background: #7f1d1d; color: #fff; }
.form-grid { display: grid; gap: .75rem; }
.form-grid label { display: grid; gap: .35rem; font-size: .9rem; color: var(--text-secondary); }
.form-grid input, .form-grid select, .form-grid textarea {
  background: #0f0f12; border: 1px solid var(--border); color: var(--text-primary);
  border-radius: 10px; padding: .6rem .7rem;
}
.form-inline { display: flex; gap: .5rem; align-items: end; flex-wrap: wrap; }
.toolbar-form { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.badge { padding: .15rem .45rem; border-radius: 999px; font-size: .75rem; }
.badge.ok { background: rgba(34,197,94,.15); color: var(--success); }
.badge.bad { background: rgba(239,68,68,.15); color: var(--danger); }
.alert { padding: .7rem .85rem; border-radius: 10px; margin-bottom: .75rem; }
.alert-danger { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.35); }
.alert-success { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.35); }
.list-plain { list-style: none; padding: 0; margin: 0; display: grid; gap: .45rem; }
.auth-body, .install-body {
  min-height: 100vh; display: grid; place-items: center; padding: 1rem;
  background: radial-gradient(circle at top, #1f1f24, var(--background));
}
.auth-card, .install-card {
  width: min(420px, 100%); background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
}
.sidebar-toggle { display: none; position: fixed; top: .75rem; left: .75rem; z-index: 20; background: var(--surface); border: 1px solid var(--border); color: #fff; border-radius: 10px; padding: .45rem; }