/* Extracted from inline <style> block(s) for CSP style-src compliance. */
.tool-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 32px; }
    .sig-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .field { display: flex; flex-direction: column; gap: 7px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 12.5px; font-weight: 600; letter-spacing: .02em; color: #c8d8ec; }
    .field input[type=text], .field input[type=url], .field input[type=email], .field input[type=tel] {
      background: rgba(0,0,0,.28); border: 1px solid var(--border); border-radius: 12px;
      color: #fff; font-size: 14.5px; padding: 12px 14px;
    }
    .field input[type=color] { width: 56px; height: 40px; padding: 3px; border-radius: 10px; border: 1px solid var(--border); background: rgba(0,0,0,.28); cursor: pointer; }
    .field input:focus { outline: none; border-color: var(--blue2); }
    .sig-check { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #c8d8ec; grid-column: 1 / -1; }
    .sig-check input { width: 17px; height: 17px; accent-color: var(--blue2); }
    .ps-help { font-size: 12px; color: var(--muted); margin-top: -3px; }
    .preview-box { background: #fff; border-radius: var(--r-md); padding: 24px; margin-top: 10px; overflow-x: auto; transition: background-color .18s; }
    .preview-box.dark-preview { background: #1e1e1e; }
    .tool-actions { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
    .code-box { display: none; margin-top: 14px; }
    .code-box textarea { width: 100%; min-height: 160px; background: rgba(0,0,0,.25); border: 1px solid var(--border); border-radius: 12px; color: #cfe3ff; font-family: Consolas, monospace; font-size: 12.5px; padding: 14px; resize: vertical; }
    @media (max-width: 700px) { .sig-grid { grid-template-columns: 1fr; } }