body{background:linear-gradient(180deg,#0b1020,#0a0f1d);color:#e9edf3}
    .card{background:rgba(17,24,39,.7);border-color:#1f2937}
    .form-label{color:#99aabb}
    .pill{display:inline-block;padding:.25rem .5rem;border:1px solid #2a3a55;border-radius:999px;color:#9fb3cc}
    .swatch{border:1px solid #1f2a44;border-radius:.5rem;overflow:hidden;cursor:pointer;transition:.15s}
    .swatch:hover{transform:translateY(-1px);box-shadow:0 .5rem 1rem rgba(0,0,0,.25)}
    .swatch-row{display:flex;height:20px}
    .swatch-row span{flex:1}
    canvas{display:block;width:100%;height:100%;background:#0a1327;border-radius:.75rem;border:1px solid #1f2937}
    .hint{color:#9fb3cc;font-size:.9rem}
    .stop .btn{padding:.25rem .5rem}
    .btn-outline-light{--bs-btn-color:#d9e2ef;--bs-btn-border-color:#2b3b54}
    .sidebar-sticky{position:sticky;top:1rem}
    .text-warning-50{color:#ffdca8}