:root {
      --bg:       #0a0c10;
      --surface1: #0f1117;
      --surface2: #161b24;
      --surface3: #1d2535;
      --text:     #e8ecf1;
      --muted:    #7d8899;
      --dim:      #4a5568;
      --accent:   #3b82f6;
      --accent-hover: #2563eb;
      --accent-bg: rgba(59,130,246,0.08);
      --accent-border: rgba(59,130,246,0.25);
      --danger:   #ef4444;
      --danger-bg: rgba(239,68,68,0.08);
      --danger-border: rgba(239,68,68,0.2);
      --success:  #22c55e;
      --success-bg: rgba(34,197,94,0.08);
      --success-border: rgba(34,197,94,0.2);
      --border:   rgba(255,255,255,0.07);
      --border-strong: rgba(255,255,255,0.12);
      --radius:   8px;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
    }
    a { color: inherit; text-decoration: none; }

    /* ── NAV ── */
    .nav {
      position: sticky;
      top: 0;
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 28px;
      height: 52px;
      background: rgba(10,12,16,0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 600;
      letter-spacing: -0.01em;
    }
    .nav-logo-mark {
      width: 24px; height: 24px;
      border-radius: 6px;
      background: var(--accent);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11px;
      color: #fff;
    }
    .nav-links { display: flex; align-items: center; gap: 6px; }
    .nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 12px;
      border-radius: var(--radius);
      font-size: 13px;
      font-weight: 500;
      color: var(--muted);
      border: 1px solid transparent;
      cursor: pointer;
      transition: color 0.15s, background 0.15s, border-color 0.15s;
    }
    .nav-btn:hover { color: var(--text); background: var(--surface2); border-color: var(--border); }
    .nav-btn.primary { color: #fff; background: var(--accent); border-color: transparent; }
    .nav-btn.primary:hover { background: var(--accent-hover); }
    .nav-btn.active { color: var(--text); background: var(--surface2); border-color: var(--border); }

    /* ── PAGE ── */
    .page { max-width: 1100px; margin: 0 auto; padding: 36px 28px; }

    .page-header {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 28px;
    }
    .page-header h1 {
      font-size: 22px;
      font-weight: 600;
      letter-spacing: -0.02em;
      color: var(--text);
      margin-bottom: 6px;
    }
    .page-header p {
      font-size: 13px;
      color: var(--muted);
      max-width: 520px;
      line-height: 1.55;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 9px 16px;
      border-radius: var(--radius);
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: background 0.15s, border-color 0.15s, color 0.15s;
      border: 1px solid var(--border-strong);
      background: var(--surface2);
      color: var(--text);
    }
    .btn:hover { background: var(--surface3); border-color: var(--border-strong); }
    .btn.accent { background: var(--accent); border-color: transparent; color: #fff; }
    .btn.accent:hover { background: var(--accent-hover); }

    /* ── CARD ── */
    .card {
      background: var(--surface1);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 20px;
      margin-bottom: 14px;
    }
    .card p.muted { color: var(--muted); font-size: 13px; line-height: 1.55; }

    .empty-state {
      text-align: center;
      padding: 36px 20px;
      color: var(--dim);
      font-size: 13px;
    }
    .empty-state i { display: block; font-size: 22px; margin-bottom: 10px; }

    /* ── SERVER ITEM ── */
    .server-item {
      background: var(--surface1);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 18px;
      margin-bottom: 10px;
      transition: border-color 0.15s;
    }
    .server-item:hover { border-color: var(--border-strong); }

    .server-top {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .server-name { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 6px; }

    .status-pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 11px;
      font-weight: 600;
      padding: 3px 9px;
      border-radius: 99px;
    }
    .status-pill.enabled { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
    .status-pill.disabled { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }

    .server-meta {
      font-size: 12px;
      color: var(--dim);
      font-family: 'SFMono-Regular', 'Consolas', monospace;
      margin-top: 8px;
    }

    .actions { display: flex; flex-wrap: wrap; gap: 8px; }

    .btn-sm {
      padding: 7px 13px;
      font-size: 12px;
    }

    .msg {
      display: none;
      border-radius: var(--radius);
      padding: 11px 14px;
      margin-top: 16px;
      font-size: 13px;
    }
    .msg.success { display: block; background: var(--success-bg); border: 1px solid var(--success-border); color: var(--success); }
    .msg.error { display: block; background: var(--danger-bg); border: 1px solid var(--danger-border); color: var(--danger); }

    .hidden { display: none !important; }

    /* ── MODAL ── */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.6);
      display: flex;
      justify-content: center;
      align-items: center;
      z-index: 999;
      padding: 20px;
    }
    .modal-overlay.hidden { display: none; }

    .modal-content {
      background: var(--surface1);
      border: 1px solid var(--border-strong);
      border-radius: 14px;
      padding: 28px;
      max-width: 420px;
      width: 100%;
      text-align: center;
      position: relative;
    }

    .modal-title {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 22px;
      color: var(--text);
    }

    .modal-buttons {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 12px;
    }

    .modal-button {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 20px;
      background: var(--surface2);
      border: 1px solid var(--border-strong);
      border-radius: var(--radius);
      cursor: pointer;
      color: var(--text);
      text-decoration: none;
      transition: border-color 0.15s, background 0.15s;
      font-weight: 500;
      flex: 1 1 140px;
    }
    .modal-button:hover { border-color: var(--accent-border); background: var(--surface3); }
    .modal-button i { font-size: 20px; color: var(--accent); }
    .modal-button-text { font-size: 13px; }

    .modal-close {
      position: absolute;
      top: 14px;
      right: 14px;
      background: none;
      border: none;
      color: var(--dim);
      font-size: 16px;
      cursor: pointer;
      transition: color 0.15s;
    }
    .modal-close:hover { color: var(--text); }

    @media (max-width: 768px) {
      .nav { padding: 0 16px; }
      .nav-btn span { display: none; }
      .page { padding: 24px 16px; }
    }