:root {
      color-scheme: dark;
      --bg: #0b0f14;
      --panel: #111820;
      --text: #d8e1e8;
      --muted: #82909c;
      --ok: #48d597;
      --bad: #ff6b6b;
      --line: #25313b;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    }
    header {
      position: sticky;
      top: 0;
      z-index: 2;
      display: flex;
      gap: 12px;
      align-items: center;
      padding: 12px 16px;
      background: rgba(17, 24, 32, .96);
      border-bottom: 1px solid var(--line);
      flex-wrap: wrap;
    }
    h1 { margin: 0; font-size: 16px; }
    #connection { color: var(--muted); }
    #connection.ok { color: var(--ok); }
    #connection.bad { color: var(--bad); }
    #updated { margin-left: auto; color: var(--muted); font-size: 12px; }
    label { color: var(--muted); font-size: 12px; }
    .tabs {
      display: flex;
      gap: 6px;
      padding: 3px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #0d141b;
    }
    .tab {
      border: 0;
      border-radius: 6px;
      padding: 6px 10px;
      background: transparent;
      color: var(--muted);
    }
    .tab.active {
      background: #263646;
      color: var(--text);
    }
    select {
      background: #18222c;
      color: var(--text);
      border: 1px solid var(--line);
      border-radius: 5px;
      padding: 5px 8px;
    }
    main { padding: 14px 16px 40px; }
    pre {
      margin: 0;
      white-space: pre-wrap;
      overflow-wrap: anywhere;
      font-size: 13px;
      line-height: 1.42;
      tab-size: 4;
    }
    button {
      border: 1px solid var(--line);
      border-radius: 5px;
      background: #18222c;
      color: var(--text);
      padding: 5px 9px;
      cursor: pointer;
    }
    @media (max-width: 700px) {
      #updated { width: 100%; margin-left: 0; }
      main { padding: 10px 8px 30px; }
      pre { font-size: 11px; }
    }