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.ef-node{z-index:1;-webkit-appearance:none;appearance:none;background:var(--ef-paper);width:100%;max-width:240px;min-height:8.25rem;color:var(--ef-text);font:inherit;cursor:pointer;border:1px solid #0000;border-radius:15px;flex-direction:column;justify-content:center;align-items:center;padding:11px 7px 12px;transition:background .35s,border-color .35s;display:flex;position:relative}.learning-flywheel .ef-node:hover{background:var(--ef-surface)}.learning-flywheel .ef-node[aria-pressed=true]{background:var(--ef-soft);border-color:var(--ef-accent)}.learning-flywheel .ef-node-0{grid-area:1/2}.learning-flywheel .ef-node-1{grid-area:2/3}.learning-flywheel .ef-node-2{grid-area:3/2}.learning-flywheel .ef-node-3{grid-area:2/1}.learning-flywheel .ef-node-icon{color:var(--ef-accent);letter-spacing:.06em;align-items:center;gap:7px;margin-bottom:7px;font-size:.75rem;display:flex}.learning-flywheel .ef-node-icon svg{stroke-width:1.5px;width:20px;height:20px}.learning-flywheel .ef-node-title{letter-spacing:-.02em;font-size:1.125rem;font-weight:500}.learning-flywheel .ef-node-sub{color:var(--ef-muted);margin-top:4px;font-size:.875rem;line-height:1.8}.learning-flywheel .ef-core{z-index:1;text-align:center;background:radial-gradient(ellipse closest-side, var(--ef-surface) 68%, var(--ef-paper));border-radius:50%;flex-direction:column;grid-area:2/2;justify-content:center;align-items:center;width:13.1875rem;height:14.375rem;display:flex;position:relative}.learning-flywheel .ef-core:before{content:"";background:radial-gradient(ellipse closest-side, var(--ef-glow), transparent);z-index:-1;opacity:.65;border-radius:50%;transition:opacity .5s,transform .6s;position:absolute;inset:-12px -22px}.learning-flywheel .ef-core.is-active:before{opacity:1;transform:scale(1.14)}.learning-flywheel .ef-core-top{color:var(--ef-muted);letter-spacing:.035em;font-size:.75rem}.learning-flywheel .ef-orb{width:77px;height:77px;box-shadow:inset -5px -5px 13px #7b1c3b26, 0 8px 22px var(--ef-glow);background:radial-gradient(circle at 31% 25%,#ffd6de,#e9879a 29%,#bb2e4c 69%,#761b33);border-radius:50%;margin:12px 0 8px}.learning-flywheel .ef-wordmark{letter-spacing:.12em;padding-left:.12em;font-size:1.875rem;font-weight:500}.learning-flywheel .ef-core-bottom{color:var(--ef-muted);margin-top:2px;font-size:.75rem;line-height:1.8}.learning-flywheel .ef-cycle-word{z-index:1;background:var(--ef-paper);color:var(--ef-muted);white-space:nowrap;padding:0 7px;font-size:.75rem;position:absolute;top:26%;left:77%;transform:translate(-50%,-50%)}.learning-flywheel .ef-control-row{border-top:1px solid var(--ef-line);justify-content:space-between;align-items:center;gap:12px 20px;margin-top:3px;padding-top:12px;display:flex}.learning-flywheel .ef-detail{align-items:flex-start;gap:9px;min-width:0;display:flex}.learning-flywheel .ef-detail-number{color:var(--ef-accent);flex-shrink:0;min-width:22px;padding-top:2px;font-size:.875rem}.learning-flywheel .ef-detail-text{color:var(--ef-text);font-size:.875rem;line-height:1.8}.learning-flywheel .ef-play{-webkit-appearance:none;appearance:none;border:1px solid var(--ef-line);background:var(--ef-surface);min-height:44px;color:var(--ef-text);font:inherit;cursor:pointer;box-shadow:0 2px 5px var(--ef-shadow);border-radius:8px;flex-shrink:0;align-items:center;gap:7px;padding:7px 12px;font-size:.875rem;line-height:1.6;display:inline-flex}.learning-flywheel .ef-play svg{width:14px;height:14px}.learning-flywheel .ef-note{max-width:900px;color:var(--ef-muted);margin-inline:auto;margin-top:18px;font-size:.75rem;line-height:1.9}.learning-flywheel .ef-note strong{font-weight:500}.learning-flywheel [hidden]{display:none!important}@container (width<=40rem){.learning-flywheel .ef-arena{grid-template-rows:10.625rem 15.5rem 10.625rem;grid-template-columns:1fr 1fr;column-gap:18px;padding:22px 0}.learning-flywheel .ef-node{max-width:210px;min-height:8.25rem;padding:9px 4px}.learning-flywheel .ef-node-0{grid-area:1/1}.learning-flywheel .ef-node-1{grid-area:1/2}.learning-flywheel .ef-node-2{grid-area:3/2}.learning-flywheel .ef-node-3{grid-area:3/1}.learning-flywheel .ef-core{grid-area:2/1/auto/-1;width:min(12.125rem,68%);height:14rem}.learning-flywheel .ef-node-title{font-size:.875rem}.learning-flywheel .ef-node-sub{font-size:.75rem}.learning-flywheel .ef-cycle-word{writing-mode:vertical-rl;padding:7px 0;top:50%;left:89%}.learning-flywheel .ef-control-row{flex-wrap:wrap;gap:9px}.learning-flywheel .ef-detail{flex-basis:100%;min-height:3.25rem}.learning-flywheel .ef-play{margin-left:auto}}@media (max-width:420px){.learning-flywheel{padding:0}.learning-flywheel h2{font-size:2rem}.learning-flywheel .ef-intro{font-size:1rem}}@media (prefers-reduced-motion:reduce){.learning-flywheel *,.learning-flywheel :before{transition:none!important;animation:none!important}}@media print{.learning-flywheel .ef-play{display:none}.learning-flywheel .ef-heading,.learning-flywheel .ef-loop{opacity:1!important;transform:none!important}}