:root {
    --bg: #000;
    --gold: #d4af37;
    --gold-dark: #a5822a;
    --panel-bg: #16161f;
    --panel-bg-2: #111117;
    --text-light: #f0f0f0;
    --text-dim: #aaa;
    --error-red: #ff5252;
    --error-text: #ff8a8a;
    --green: #2ecc71;
    --border-dim: #333;
    --row-border: #262632;
    --btn-border: #444;
    --header-grad-1: #2a220d;
    --header-grad-2: #1a1608;
  }

  body[data-theme="light"] {
    --bg: #f4f4f6;
    --gold: #6b5109;
    --gold-dark: #4d3b06;
    --panel-bg: #ffffff;
    --panel-bg-2: #f0f0f0;
    --text-light: #1a1a1a;
    --text-dim: #555;
    --error-red: #c62828;
    --error-text: #c62828;
    --green: #1e7a45;
    --border-dim: #ddd;
    --row-border: #e2e2e2;
    --btn-border: #ccc;
    --header-grad-1: #f0e6c8;
    --header-grad-2: #e8dab0;
  }

  * { box-sizing: border-box; }

  body {
    margin: 0;
    min-height: 100vh;
    font-family: Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text-light);
    padding: 20px;
    transition: background-color 0.15s, color 0.15s;
  }

  .theme-toggle-btn {
    background: none;
    border: 1px solid var(--text-dim);
    color: var(--text-dim);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.78rem;
    font-weight: bold;
    cursor: pointer;
  }
  .theme-toggle-btn:hover { border-color: var(--gold); color: var(--gold); }

  #top-bar {
    max-width: 900px;
    margin: 0 auto 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .app-title { font-size: 1.4rem; font-weight: bold; color: var(--gold); }
  .app-title span.num { color: var(--error-red); }

  .back-link { font-size: 0.8rem; color: var(--text-dim); text-decoration: none; }
  .back-link:hover { color: var(--gold); }

  .user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-dim);
  }
  .user-chip .name { color: var(--text-light); font-weight: bold; }

  .wrap { max-width: 900px; margin: 0 auto; }

  .panel {
    background: var(--panel-bg);
    border: 1.5px solid var(--gold);
    border-radius: 14px;
    overflow: hidden;
  }

  .panel-header {
    background: linear-gradient(135deg, var(--header-grad-1), var(--header-grad-2));
    border-bottom: 1px solid var(--gold);
    padding: 16px 20px;
  }

  .panel-header .title { font-size: 1.1rem; font-weight: bold; color: var(--gold); }
  .panel-header .sub { font-size: 0.78rem; color: var(--text-dim); margin-top: 3px; }

  table.user-table { width: 100%; border-collapse: collapse; }

  table.user-table th {
    text-align: left;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-dim);
  }

  table.user-table td {
    padding: 12px 20px;
    border-bottom: 1px solid var(--row-border);
    font-size: 0.85rem;
    vertical-align: middle;
  }

  .status-pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: bold;
  }
  .status-pill.active { background: rgba(46,204,113,0.15); color: var(--green); }
  .status-pill.disabled { background: rgba(255,82,82,0.15); color: var(--error-red); }
  .status-pill.pending { background: rgba(212,175,55,0.15); color: var(--gold); }

  .online-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
  }
  .online-dot.on { background: var(--green); box-shadow: 0 0 5px var(--green); }
  .online-dot.off { background: var(--btn-border); }
  .online-label { font-size: 0.78rem; color: var(--text-dim); vertical-align: middle; }

  .action-btn {
    border: 1px solid var(--btn-border);
    background: none;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.78rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-dim);
  }

  .action-btn.disable-btn:hover { border-color: var(--error-red); color: var(--error-red); }
  .action-btn.enable-btn:hover { border-color: var(--green); color: var(--green); }
  .action-btn.approve-btn:hover { border-color: var(--green); color: var(--green); }
  .action-btn.reject-btn:hover { border-color: var(--error-red); color: var(--error-red); }
  .action-btn + .action-btn { margin-left: 6px; }

  .empty-state, .loading-state {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9rem;
  }

  .msg-box {
    display: none;
    max-width: 900px;
    margin: 0 auto 16px;
    font-size: 0.8rem;
    padding: 9px 11px;
    border-radius: 6px;
    line-height: 1.4;
  }
  .msg-box.error { display: block; background: rgba(255,82,82,0.12); border: 1px solid rgba(255,82,82,0.4); color: var(--error-text); }
  .msg-box.info { display: block; background: rgba(212,175,55,0.12); border: 1px solid rgba(212,175,55,0.4); color: var(--gold); }

  .denied-box {
    max-width: 500px;
    margin: 80px auto;
    text-align: center;
    background: var(--panel-bg);
    border: 1px solid var(--error-red);
    border-radius: 12px;
    padding: 30px;
    color: var(--error-text);
  }

  /* Coin Balance column: right-aligned numbers, red at 0 or below */
  table.user-table .coins-cell { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
  table.user-table .coins-val.out { color: var(--error-text); }

  /* Limit Usage column: centred checkbox */
  table.user-table .limit-usage-cell { text-align: center; }
  table.user-table .limit-usage-box { width: 16px; height: 16px; cursor: pointer; accent-color: var(--green); }