.dbms-widget{margin:1.4rem 0;padding:1rem;border:1px solid #bfdbfe;background:#eff6ff;border-radius:22px;color:#0f172a;box-shadow:0 10px 28px rgba(30,64,175,.08)}
.dbms-widget h3{margin:.1rem 0 .6rem;color:#1e3a8a}.dbms-controls{display:flex;gap:.55rem;flex-wrap:wrap;margin:.8rem 0}.dbms-controls button{border:1px solid #93c5fd;background:#fff;color:#1d4ed8;border-radius:999px;padding:.55rem .85rem;font-weight:700;cursor:pointer}.dbms-controls button.active{background:#2563eb;color:#fff}.dbms-stage{display:grid;grid-template-columns:1fr;gap:.8rem}.dbms-layer{border-radius:18px;padding:.85rem;border:1px solid #dbeafe;background:#fff}.dbms-layer.active{outline:3px solid #60a5fa}.dbms-layer h4{margin:.05rem 0 .3rem;color:#1e40af}.dbms-flow{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap;margin:.65rem 0}.dbms-pill{padding:.45rem .65rem;border-radius:999px;background:#f8fafc;border:1px solid #cbd5e1;font-weight:700}.dbms-arrow{font-weight:900;color:#2563eb}.dbms-note{background:#f8fafc;border:1px solid #e2e8f0;border-radius:16px;padding:.8rem;margin-top:.75rem}.dbms-quiz{margin-top:.8rem}.dbms-quiz select{padding:.5rem;border-radius:12px;border:1px solid #cbd5e1}.dbms-feedback{font-weight:700;margin-top:.5rem}.dbms-good{color:#166534}.dbms-bad{color:#991b1b}