{
      appearance: none;
      border: none;
      background: var(--panel-strong);
      color: var(--ink);
      border-radius: 20px;
      padding: 8px 12px;
      font-weight: 700;
      font-size: 14px;
      cursor: pointer;
      box-shadow: inset 0 0 0 2px rgba(255,255,255,0.9), 0 4px 10px rgba(0,0,0,0.08);
      transition: transform 0.08s ease, background 0.2s ease, box-shadow 0.2s ease;
    }
    .chip:hover { transform: translateY(-1px); }
    .chip.active {
      background: linear-gradient(13