.settings-section.effect-variation-section{background:linear-gradient(180deg,#fff,#f8fafc)}
.effect-variation-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.effect-variation-grid label{min-width:0}
.builtin-effect-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.builtin-effect-card{border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px;text-align:left;font-weight:800;min-width:0}
.builtin-effect-card small{display:block;margin-top:4px;color:var(--muted);font-weight:600;line-height:1.35}
.builtin-effect-card.active{border-color:var(--primary);box-shadow:0 0 0 2px #2563eb24;background:#eff6ff}
@media(max-width:390px){.effect-variation-grid,.builtin-effect-grid{grid-template-columns:1fr}}