html, body { margin: 0; padding: 0; }
body { background: #ffffff; color: #000000; }
/* SCA shared tokens — SAFE ADD */
.sca-panel {
    border: 1px solid #000;
    padding: 16px;
}

.sca-yellow { background: #FFB81C; }
.sca-white { background: #fff; }
.sca-black { background: #000; color: #fff; }