:root {
    --bg:#0f172a;
    --card:#111827;
    --text:#e5e7eb;
    --muted:#94a3b8;
    --accent:#22d3ee;
    --accent-2:#a78bfa;
    --border:#1f2937;
  }
  
  * { box-sizing: border-box; }
  body {
    margin: 0;
    font-family: system-ui, tahoma;
    background: linear-gradient(135deg, #0f172a, #0b1324);
    color: var(--text);
  }
  .topbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px 16px; border-bottom: 1px solid var(--border);
    background: rgba(10, 15, 30, 0.7); backdrop-filter: blur(8px);
  }
  .topbar .brand { font-weight: 700; color: var(--accent); }
  .topbar a { color: var(--text); text-decoration: none; }
  
  .container { padding: 0px; max-width: 2000px; margin: auto; }

  
  
  .grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .card {
    background: linear-gradient(145deg, #0f172a, #0b1222);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  }
  
  .stats { display: flex; gap: 24px; color: var(--muted); }
  
  .table { width: 100%; border-collapse: collapse; }
  .table th, .table td {
    border-bottom: 1px solid var(--border);
    padding: 10px 8px;
  }
  .table th { color: var(--muted); text-align: right; }
  
  .form, .form-inline {
    display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px;
  }
  input[type="text"], input[type="password"] {
    background: #0b1222; color: var(--text); border: 1px solid var(--border);
    padding: 8px 10px; border-radius: 10px;
  }
  button {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #031; border: none; padding: 10px 14px; border-radius: 12px;
    font-weight: 700; cursor: pointer;
  }
  
  .hint { color: var(--muted); font-size: 0.9rem; }
  
  @media(min-width: 900px) {
    .grid { grid-template-columns: 1fr 1fr; }
  }