body.bmc-math{--primary:#0e7490;--primary-dark:#0c6380;--accent:#06b6d4;--surface:#ffffff;--surface-muted:#f1f5f9;--border:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--shadow-soft:0 20px 45px rgba(15,23,42,0.08);}
.mwd-lede{font-size:0.95rem;color:var(--text-muted);max-width:52ch;margin:0 0 1rem;line-height:1.55;}
.mwd-pill-row{display:flex;flex-wrap:wrap;gap:0.45rem;margin-top:0.75rem;}
.mwd-pill{font-size:0.72rem;letter-spacing:0.04em;text-transform:uppercase;padding:0.35rem 0.65rem;border-radius:999px;border:1px solid var(--border);background:var(--surface-muted);color:var(--text-muted);}
.mwd-mistakes{margin:2rem 0 1.5rem;padding:1rem 1.1rem;border-radius:14px;border:1px solid var(--border);background:linear-gradient(135deg,var(--surface-muted) 0%,var(--surface) 100%);}
.mwd-mistakes h2{font-size:1.15rem;margin:0 0 0.65rem;font-weight:650;}
.mwd-mistakes ul{margin:0;padding-left:1.15rem;color:var(--text-main);line-height:1.55;}
.mwd-mistakes li{margin-bottom:0.4rem;}
.mwd-shell{margin:0 0 2.5rem;padding:1.25rem 1.25rem 1.5rem;background:#fff;border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-soft);}
@media (max-width:599px){
.mwd-shell{padding:1rem 1rem 1.25rem;border-radius:16px;}
}
.mwd-split{display:grid;grid-template-columns:1fr;gap:1.25rem;align-items:start;}
@media (min-width:900px){
.mwd-split{grid-template-columns:minmax(280px,380px) minmax(0,1fr);gap:1.5rem;align-items:stretch;}
.mwd-col--options{position:sticky;top:0.75rem;align-self:start;max-height:calc(100vh - 1.5rem);overflow-y:auto;padding-right:2px;}
}
.mwd-col-heading{font-size:0.68rem;font-weight:700;letter-spacing:0.14em;text-transform:uppercase;color:var(--text-muted);margin:0 0 0.5rem;}
.mwd-col-heading--result{margin-top:0;}
@media (max-width:899px){
.mwd-col-heading--result{margin-top:0.25rem;}
}
.mwd-col--result{display:flex;flex-direction:column;min-width:0;}
.mwd-viewport{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--border);background:#060a10;box-shadow:var(--shadow-soft),inset 0 0 0 1px rgba(255,255,255,0.04);flex:1;min-height:min(52vh,420px);}
@media (min-width:900px){
.mwd-viewport{min-height:min(70vh,560px);}
}
.mwd-viewport::after{content:'';position:absolute;inset:0;pointer-events:none;border-radius:18px;box-shadow:inset 0 0 80px rgba(0,212,255,0.06);}
#mwd-canvas{display:block;width:100%;height:auto;vertical-align:middle;touch-action:none;}
.mwd-viewport-cap{display:flex;justify-content:space-between;align-items:center;gap:0.75rem;padding:0.55rem 0.85rem;border-bottom:1px solid rgba(255,255,255,0.08);background:rgba(8,14,24,0.92);}
.mwd-cap-title{font-size:0.7rem;letter-spacing:0.12em;text-transform:uppercase;color:rgba(232,244,255,0.55);}
.mwd-cap-meta{font-size:0.75rem;color:rgba(160,198,230,0.75);}
.mwd-preset-scroller{margin:0 0 0.85rem;display:flex;flex-wrap:wrap;gap:0.45rem;overflow-x:auto;padding-bottom:0.15rem;-webkit-overflow-scrolling:touch;scrollbar-width:thin;}
.mwd-preset-scroller::-webkit-scrollbar{height:4px;}
.mwd-preset-scroller::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;}
.mwd-chip{flex:0 0 auto;font-size:0.78rem;padding:0.5rem 0.85rem;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text-main);cursor:pointer;white-space:nowrap;transition:background 0.15s ease,border-color 0.15s ease;}
.mwd-chip:hover,.mwd-chip:focus-visible{background:var(--surface-muted);border-color:var(--primary);}
.mwd-chip:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.mwd-panel{display:flex;flex-direction:column;gap:0.65rem;}
.mwd-col--options .mwd-panel{margin-bottom:0.25rem;}
.mwd-dial{display:grid;grid-template-columns:1fr;gap:0.35rem;padding:0.75rem 0.85rem;border-radius:14px;border:1px solid var(--border);background:var(--surface);}
.mwd-dial .mwd-val{justify-self:start;}
.mwd-dial label{font-size:0.82rem;font-weight:600;color:var(--text-main);margin:0;}
.mwd-dial input[type="range"]{width:100%;height:6px;border-radius:6px;appearance:none;background:var(--surface-muted);outline:none;}
.mwd-dial input[type="range"]::-webkit-slider-thumb{appearance:none;width:16px;height:16px;border-radius:50%;background:var(--primary);cursor:pointer;border:2px solid var(--surface);}
.mwd-dial input[type="range"]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:var(--primary);cursor:pointer;border:2px solid var(--surface);}
.mwd-val{font-variant-numeric:tabular-nums;font-size:0.85rem;font-weight:650;color:var(--primary);min-width:3ch;text-align:right;}
.mwd-select-grid{display:grid;grid-template-columns:1fr;gap:0.65rem;}
.mwd-col--options .mwd-select-grid{grid-template-columns:1fr;}
.mwd-select-wrap{padding:0.75rem 0.85rem;border-radius:14px;border:1px solid var(--border);background:var(--surface);}
.mwd-select-wrap label{display:block;font-size:0.75rem;font-weight:650;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-muted);margin-bottom:0.35rem;}
.mwd-select-wrap select{width:100%;padding:0.55rem 0.65rem;border-radius:10px;border:1px solid var(--border);background:var(--surface-muted);color:var(--text-main);font-size:0.9rem;}
.mwd-action-rail{position:relative;margin-top:0.75rem;padding:0.65rem;display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center;justify-content:flex-start;border-radius:16px;border:1px solid var(--border);background:var(--surface);backdrop-filter:blur(10px);}
@supports (background:color-mix(in srgb,red,blue)){
.mwd-action-rail{background:color-mix(in srgb,var(--surface) 92%,transparent);}
}
.mwd-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.mwd-btn{appearance:none;border:none;border-radius:12px;padding:0.65rem 1rem;font-size:0.88rem;font-weight:650;cursor:pointer;transition:transform 0.12s ease,opacity 0.12s ease;}
.mwd-btn:active{transform:scale(0.98);}
.mwd-btn-primary{background:var(--primary);color:#fff;}
.mwd-btn-primary:hover{opacity:0.92;}
.mwd-btn-ghost{background:var(--surface-muted);color:var(--text-main);border:1px solid var(--border);}
.mwd-btn-quiet{background:transparent;color:var(--primary);border:1px dashed var(--border);}
.mwd-motion{margin-top:1rem;padding:0.85rem 1rem;border-radius:14px;border:1px solid var(--border);background:var(--surface-muted);}
.mwd-motion[hidden]{display:none!important;}
.mwd-motion h3{margin:0 0 0.65rem;font-size:0.95rem;}
.mwd-motion-bar{display:flex;flex-wrap:wrap;gap:0.5rem;align-items:center;}
.mwd-motion-bar input[type="range"]{flex:1;min-width:140px;}
.mwd-prose{margin:2rem 0;line-height:1.65;color:var(--text-main);}
.mwd-prose h2{font-size:1.35rem;margin:2rem 0 0.75rem;font-weight:700;}
.mwd-prose h3{font-size:1.05rem;margin:1.5rem 0 0.5rem;font-weight:650;color:var(--text-muted);}
.mwd-prose p{margin:0 0 0.85rem;}
.mwd-callout{margin:1.5rem 0;padding:1rem 1.1rem;border-left:4px solid var(--primary);border-radius:0 12px 12px 0;background:var(--surface-muted);font-size:0.92rem;}
.mwd-table-wrap{overflow-x:auto;margin:1rem 0;border-radius:12px;border:1px solid var(--border);}
.mwd-table{width:100%;border-collapse:collapse;font-size:0.88rem;}
.mwd-table th,.mwd-table td{padding:0.65rem 0.75rem;text-align:left;border-bottom:1px solid var(--border);}
.mwd-table th{background:var(--surface-muted);font-weight:650;}
.mwd-dl{margin:1rem 0;display:grid;gap:0.5rem;}
.mwd-dl div{display:grid;grid-template-columns:1fr;gap:0.15rem;padding:0.65rem 0;border-bottom:1px solid var(--border);}
@media (min-width:560px){
.mwd-dl div{grid-template-columns:minmax(140px,28%) 1fr;}
}
.mwd-dl dt{font-weight:650;font-size:0.88rem;}
.mwd-dl dd{margin:0;font-size:0.88rem;color:var(--text-muted);}
.mwd-trust{font-size:0.85rem;color:var(--text-muted);margin:2rem 0 1rem;}