.toolbar {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 12px;
        background: var(--panel);
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 12px;
        margin-bottom: 16px;
      }
      .toolbar .btns {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
      }
      .toolbar .muted {
        color: var(--muted);
      }
      .btn-format,
      .link-btn {
        background: #0b1220;
        color: var(--text);
        border: 1px solid var(--border);
        padding: 8px 12px;
        border-radius: 8px;
        cursor: pointer;
        font-weight: 600;
      }
      .btn-format:hover,
      .link-btn:hover {
        border-color: #334155;
      }
      .btn-format.accent {
        border-color: #06b6d4;
      }
      .btn-format.danger {
        border-color: var(--danger);
        color: #fecaca;
      }
      .grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }
      .panel {
        display: flex;
        flex-direction: column;
        gap: 10px;
        background: var(--panel);
        border: 1px solid var(--border);
        border-radius: 12px;
        padding: 12px;
        min-height: 420px;
        position: relative;
      }
      .panel h2 {
        font-size: 1rem;
        color: var(--muted);
        margin: 0;
        padding-bottom: 4px;
        border-bottom: 1px dashed var(--border);
      }
      textarea,
      pre {
        width: 100%;
        min-height: 360px;
        resize: vertical;
        background: #0b1220;
        color: #e5e7eb;
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 12px;
        font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
        font-size: 13px;
        line-height: 1.5;
        margin-top: 1em;
      }
      pre {
        white-space: pre-wrap;
      }
      .muted {
        color: var(--muted);
      }
      .status-line {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
      }
      .status-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 10px;
        border-radius: 999px;
        border: 1px solid var(--border);
        color: var(--muted);
        font-size: 0.9rem;
      }
      .ok {
        color: var(--ok);
        border-color: #14532d;
      }
      .bad {
        color: var(--danger);
        border-color: #7f1d1d;
      }
      .loading {
        color: #f59e0b;
        border-color: #7c2d12;
      }
      .help {
        color: var(--muted);
        font-size: 0.9rem;
      }
      .toast {
        position: fixed;
        bottom: 16px;
        right: 16px;
        background: #0b1220;
        color: #e5e7eb;
        border: 1px solid #334155;
        padding: 8px 12px;
        border-radius: 8px;
        z-index: 9999;
      }
 
      @media (max-width: 960px) {
        .grid {
          grid-template-columns: 1fr;
        }
        .toolbar {
          grid-template-columns: 1fr;
        }
      }