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mc-wrong-shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.mc-duo{gap:1rem;width:100%;display:flex}.mc-duo-option{border:2px solid var(--border,#1e293b);background:var(--bg3,#e5e5e5);min-width:0;min-height:92px;color:var(--text,#f8fafc);text-align:center;overflow-wrap:break-word;word-break:break-word;-webkit-hyphens:auto;hyphens:auto;cursor:pointer;box-shadow:0 4px 0 var(--border,#1e293b);border-radius:18px;flex:1;justify-content:center;align-items:center;padding:1rem clamp(.5rem,3vw,1rem);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:clamp(.82rem,4vw,1.3rem);font-weight:800;line-height:1.25;transition:transform .1s cubic-bezier(.25,.8,.25,1),box-shadow .1s cubic-bezier(.25,.8,.25,1),border-color .15s,background .15s,color .15s;display:flex}.mc-duo-option:active:not(:disabled){box-shadow:0 0 0 var(--border,#1e293b);transform:translateY(4px)}.mc-duo-option:disabled{cursor:default}.mc-duo-option--correct{background:var(--success);border-color:var(--success);color:#06281c;box-shadow:0 4px 0 var(--success-shadow);animation:.4s mc-correct-pop}.mc-duo-option--wrong{background:var(--error);border-color:var(--error);color:#fff;box-shadow:0 4px 0 var(--error-shadow);animation:.35s mc-wrong-shake}.mc-square-grid{grid-template-columns:repeat(2,1fr);gap:1rem;width:100%;display:grid}.mc-square{aspect-ratio:1;border:2px solid var(--border,#1e293b);background:var(--bg3,#e5e5e5);color:var(--text,#f8fafc);text-align:center;overflow-wrap:break-word;word-break:break-word;-webkit-hyphens:auto;hyphens:auto;cursor:pointer;box-shadow:0 4px 0 var(--border,#1e293b);border-radius:18px;justify-content:center;align-items:center;padding:.5rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica 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.5rem}.sc-slot--active{border-color:var(--accent)}.sc-slot--filled{color:var(--text);border-style:solid;border-color:var(--accent)}.sc-slot:disabled{cursor:default}.sc-pool{flex-wrap:wrap;justify-content:center;gap:.6rem;display:flex}.sc-chip{background:var(--bg3,#e5e5e5);min-width:3.2rem;height:clamp(48px,14vw,60px);color:var(--text,#f8fafc);cursor:pointer;box-shadow:0 4px 0 var(--border,#1e293b);border:none;border-radius:14px;padding:0 .9rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:clamp(1.1rem,4vw,1.4rem);font-weight:800;transition:transform .1s cubic-bezier(.25,.8,.25,1),box-shadow .1s cubic-bezier(.25,.8,.25,1)}.sc-chip:active:not(:disabled){box-shadow:0 0 0 var(--border,#1e293b);transform:translateY(4px)}.sc-chip:disabled{opacity:.45;cursor:default}.sc-check-btn{background:var(--accent);color:var(--text-on-accent,#080e1a);cursor:pointer;box-shadow:0 4px 0 var(--accent-shadow);border:none;border-radius:14px;margin-top:.4rem;padding:1rem 2.6rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:1rem;font-weight:700;transition:transform .1s cubic-bezier(.25,.8,.25,1),box-shadow .1s cubic-bezier(.25,.8,.25,1),opacity .15s}.sc-check-btn:disabled{opacity:.4;cursor:default;box-shadow:none}.sc-check-btn:active:not(:disabled){box-shadow:0 0 0 var(--accent-shadow);transform:translateY(4px)}.demo-stage{background:var(--bg);justify-content:center;align-items:center;display:flex;position:fixed;top:0;bottom:0;left:0;right:0;overflow:hidden}.demo-scene{box-sizing:border-box;flex-direction:column;justify-content:center;align-items:center;gap:1.2rem;width:100%;max-width:460px;padding:0 1.5rem;display:flex}.demo-scene--full{max-width:none;padding:0}.demo-outro{box-sizing:border-box;z-index:100000;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:.5rem;padding:0 1.5rem;display:flex;position:fixed;top:0;bottom:0;left:0;right:0}.demo-outro-title{letter-spacing:-.02em;color:#1a1f36;text-align:center;white-space:nowrap;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:clamp(1.6rem,7vw,2.8rem);font-weight:800}.demo-caption{color:var(--text);text-align:center;white-space:pre-line;margin-bottom:2.4rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:clamp(1.15rem,2.9vw,1.5rem);font-weight:800;line-height:1.4}.demo-cursor{pointer-events:none;z-index:50;filter:drop-shadow(0 3px 6px #00000040);position:fixed;top:-6px;left:-6px}.demo-cursor-ring{background:color-mix(in srgb, 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Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:clamp(1rem,4vw,1.2rem);font-weight:800;position:relative}.dth-value--explanation{background:var(--success)}.dth-value-sign{margin-right:1px}.dth-hint{color:var(--muted,#8892b0);text-align:center;margin-top:.7rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:.85rem;font-weight:600}.dth-check-btn{background:var(--accent);color:var(--text-on-accent,#080e1a);cursor:pointer;box-shadow:0 4px 0 var(--accent-shadow,#2a7ab5);border:none;border-radius:14px;margin-top:.8rem;padding:.75rem 2rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:.95rem;font-weight:800;transition:transform .1s,box-shadow .1s}.dth-check-btn:active{box-shadow:0 0 0 var(--accent-shadow,#2a7ab5);transform:translateY(4px)}@media 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0}.elv-floor:last-child{border-bottom:none;border-radius:0 0 8px 8px}.elv-floor--under{background:var(--bg2,#eef0f7)}.elv-floor--current{background:color-mix(in srgb, var(--accent) 12%, var(--card,#fff))}.elv-floor-num{color:var(--text,#1a1f36);min-width:14px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:1rem;font-weight:800;position:relative}.elv-floor-sign{margin-right:1px;position:absolute;right:100%}.elv-floor-window{background:var(--bg3,#e2e6f3);width:26px;height:18px;box-shadow:inset 0 0 0 1px var(--border,#6378b42e);border-radius:3px}.elv-floor--under .elv-floor-window{opacity:.45}.elv-ground{z-index:2;left:calc(-1 * (var(--elv-shaft-w) + 16px));background:#8a7350;border-radius:2px;height:3px;position:absolute;bottom:-2px;right:-8px}.elv-move{white-space:nowrap;border-radius:10px;align-items:center;gap:2px;padding:.3rem .55rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe 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0}.ef-track{touch-action:none;cursor:pointer;width:100%;height:56px;position:relative}.ef-track--locked{cursor:default}.ef-track-line{background:var(--border,#1e293b);border-radius:99px;height:6px;position:absolute;top:50%;left:0;right:0;transform:translateY(-50%)}.ef-tick{flex-direction:column;align-items:center;display:flex;position:absolute;top:50%;transform:translate(-50%,-50%)}.ef-tick-mark{background:var(--border,#1e293b);width:3px;height:12px}.ef-tick-label{color:var(--muted,#94a3b8);margin-top:5px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:clamp(.65rem,2.6vw,.85rem)}.ef-marker{background:var(--accent);cursor:grab;border:3px solid #fff;border-radius:50%;width:clamp(18px,6vw,26px);height:clamp(18px,6vw,26px);position:absolute;top:50%;transform:translate(-50%,-50%);box-shadow:0 2px 8px 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var(--border,#1e293b);background:var(--bg3,#e5e5e5);min-height:92px;color:var(--text,#f8fafc);text-align:center;overflow-wrap:break-word;word-break:break-word;cursor:pointer;box-shadow:0 4px 0 var(--border,#1e293b);border-radius:14px;justify-content:center;align-items:center;padding:.9rem clamp(.5rem,3vw,1.1rem);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:clamp(.85rem,3.6vw,1.1rem);font-weight:800;transition:transform .1s cubic-bezier(.25,.8,.25,1),box-shadow .1s cubic-bezier(.25,.8,.25,1),border-color .15s,background .15s,color .15s,opacity .15s;display:flex}.mp-tile:active:not(:disabled){box-shadow:0 0 0 var(--border,#1e293b);transform:translateY(4px)}.mp-tile--selected{background:var(--accent);border-color:var(--accent);color:var(--text-on-accent,#fff)}.mp-tile--matched{background:var(--success);border-color:var(--success);color:#06281c;opacity:.55;cursor:default}.mp-tile--wrong{background:var(--error);border-color:var(--error);color:#fff;animation:.35s mp-wrong-shake}.mp-tile-system{justify-content:center;align-items:center;gap:.4rem;width:100%;display:flex}.mp-tile-system-glyph{font-size:1.9em;font-weight:300;line-height:1}.mp-tile-system-lines{text-align:left;white-space:nowrap;flex-direction:column;gap:.15rem;font-size:.82em;display:flex}.mp-tile--symbols{padding-top:.5rem;padding-bottom:.5rem;font-size:clamp(1.35rem,5.4vw,1.8rem)}.mp-tile--symbols .mp-tile-system-lines{gap:.1rem;font-size:1em}.mp-tile--symbols .mp-tile-system-glyph{transform-origin:50%;font-size:2em;transform:scaleY(1.35)}@keyframes 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#0284c7}.ea-op-btn:active{transform:translateY(4px);box-shadow:0 0 #0284c7}.sg-wrap{flex-direction:column;align-items:center;gap:1rem;width:100%;display:flex}.sg-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:.4rem;min-height:100px;display:flex}.sg-shape{flex-shrink:0;display:inline-block}.sg-shape--circle{border-radius:50%}.sg-shape--square{border-radius:6px}.sg-shape--pentagon{clip-path:polygon(50% 4.8%,97.6% 39.3%,79.4% 95.2%,20.6% 95.2%,2.4% 39.3%)}.sg-shape--hexagon{clip-path:polygon(0% 50%,25% 6.7%,75% 6.7%,100% 50%,75% 93.3%,25% 93.3%)}.sg-shape--star{clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}.sg-shape--triangle{border-style:solid;border-color:#0000;width:0!important;height:0!important}.sg-shape--number{color:#fff;border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica 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var(--border,#1e293b);border-radius:12px;justify-content:center;align-items:flex-end;padding:.4rem;transition:transform .1s,box-shadow .1s;display:flex}.sg-pool-btn:active:not(:disabled){box-shadow:0 0 0 var(--border,#1e293b);transform:translateY(3px)}.sg-pool-btn:disabled{cursor:default}.sg-pool-btn--picked{border-color:var(--accent);box-shadow:0 3px 0 var(--accent-shadow)}.sg-pool-btn--correct{border-color:#34d399;box-shadow:0 3px #059669}.sg-pool-btn--wrong{border-color:#f87171;box-shadow:0 3px #dc2626}.sg-check-btn{background:var(--accent);color:var(--text-on-accent,#080e1a);cursor:pointer;box-shadow:0 4px 0 var(--accent-shadow);border:none;border-radius:14px;padding:1rem 2.6rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:1rem;font-weight:700;transition:transform .1s cubic-bezier(.25,.8,.25,1),box-shadow .1s cubic-bezier(.25,.8,.25,1)}.sg-check-btn:active:not(:disabled){box-shadow:0 0 0 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#34d399}.ssw-shape{flex-shrink:0;display:inline-block}.ssw-shape--circle{border-radius:50%}.ssw-shape--square{border-radius:6px}.ssw-shape--pentagon{clip-path:polygon(50% 4.8%,97.6% 39.3%,79.4% 95.2%,20.6% 95.2%,2.4% 39.3%)}.ssw-shape--hexagon{clip-path:polygon(0% 50%,25% 6.7%,75% 6.7%,100% 50%,75% 93.3%,25% 93.3%)}.ssw-shape--star{clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}.ssw-shape--triangle{border-style:solid;border-color:#0000;width:0!important;height:0!important}.ssw-shape--number{color:#fff;border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:1.05rem;font-weight:800;display:inline-flex}.ssw-hint{color:var(--text-muted,#6b7280);text-align:center;font-size:.85rem}.ssw-check-btn{background:var(--accent);color:var(--text-on-accent,#080e1a);cursor:pointer;box-shadow:0 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auto;display:flex}.pa-svg{width:100%;height:auto}.pa-line{stroke:var(--text,#e2e8f0);stroke-width:3px;stroke-linecap:round}.pa-vertex{fill:var(--text,#e2e8f0)}.pa-arc{fill:none;stroke:var(--muted,#94a3b8);stroke-width:1.5px}.pa-arc--highlighted{stroke:var(--accent,#38bdf8);stroke-width:2px}.pa-label{fill:var(--muted,#94a3b8);text-anchor:middle;dominant-baseline:middle;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:11px;font-weight:700}.pa-label--highlighted{fill:var(--accent,#38bdf8);font-size:13px}.trp-grid{grid-template-columns:repeat(2,1fr);gap:.8rem;width:100%;max-width:320px;margin:0 auto;display:grid}.trp-btn{background:var(--card,#111827);border:2px solid 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cubic-bezier(.25,.8,.25,1)}.trb-tile:active:not(:disabled){box-shadow:0 0 0 var(--border,#1e293b);transform:translateY(4px)}.trb-tile:disabled{cursor:default;opacity:.55}.trb-tile--picked{background:var(--accent);color:var(--text-on-accent,#080e1a);box-shadow:0 4px 0 var(--accent-shadow)}.trb-tile--picked:active:not(:disabled){box-shadow:0 0 0 var(--accent-shadow)}.trb-check-btn{background:var(--accent);color:var(--text-on-accent,#080e1a);cursor:pointer;box-shadow:0 4px 0 var(--accent-shadow);border:none;border-radius:16px;padding:.7rem 1.8rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;font-size:1rem;font-weight:700;transition:transform .1s cubic-bezier(.25,.8,.25,1),box-shadow .1s cubic-bezier(.25,.8,.25,1)}.trb-check-btn:disabled{opacity:.5;cursor:default}.trb-check-btn:active:not(:disabled){box-shadow:0 0 0 var(--accent-shadow);transform:translateY(4px)}.vr-wrap{flex-direction:column;align-items:center;gap:.7rem;width:100%;max-width:320px;margin:0 auto;display:flex}.vr-line{background:var(--card,#111827);border:2px solid var(--border,#1e293b);border-radius:14px;justify-content:center;align-items:baseline;gap:.5rem;width:100%;padding:.7rem 1.2rem;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif;display:flex}.vr-bound{color:var(--accent,#38bdf8);font-variant-numeric:tabular-nums;font-size:1.15rem;font-weight:800}.vr-op{color:var(--muted,#94a3b8);font-size:1.15rem;font-weight:700}.vr-label{color:var(--text);font-size:1.15rem;font-weight:800}.vr-note{color:var(--muted,#94a3b8);text-align:center;max-width:300px;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Noto Sans,Ubuntu,Cantarell,Helvetica 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