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var(--border);background:var(--bg-inset);width:32px;height:32px;color:var(--text-dim);cursor:pointer;border-radius:50%;font-size:13px}.prep-star-dot.active{border-color:var(--green);color:var(--text)}.prep-star-dot.solved{border-color:var(--green);color:var(--green-light);background:#16231a}.prep-star-card{background:var(--bg-panel);border:1px solid var(--border);border-radius:12px;padding:20px 22px}.prep-star-frame{color:var(--text-dim);background:var(--bg-inset);border-radius:8px;margin-bottom:14px;padding:8px 12px;font-size:12px}.prep-star-card h2{margin:0 0 16px;font-size:17px}.prep-star-opt{text-align:left;background:var(--bg-inset);border:1px solid var(--border);width:100%;color:var(--text-dim);cursor:pointer;border-radius:8px;margin-bottom:8px;padding:12px 14px;font-size:13px;line-height:1.55;transition:all .12s;display:block}.prep-star-opt:hover:not(:disabled){border-color:var(--green)}.prep-star-opt.correct{border-color:var(--green);color:var(--text);background:#16231a}.prep-star-opt.wrong{background:#2a1414;border-color:#a33}.prep-star-why{color:var(--text-dim);flex-direction:column;align-items:flex-start;gap:10px;margin-top:10px;font-size:12.5px;line-height:1.6;display:flex}.prep-star-verdict.right{color:var(--green-light);font-weight:700}.prep-star-verdict.wrong{color:#e08b8b;font-weight:700}@media (width<=780px){.prep-layout{grid-template-columns:1fr}}.safety-intro{color:var(--text-dim);background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;margin-bottom:18px;padding:14px 16px;font-size:13px;line-height:1.65}@media (width<=640px){.topbar{flex-wrap:wrap;gap:8px 10px;padding:8px 12px}.topbar-mid{flex-wrap:wrap;flex-basis:100%;order:3}.prep-work,.prep-behavioral{padding:16px}.prep-prompt-row{flex-direction:column;gap:8px}.sysd-work{padding:16px}.sysd-brief{border-right:none;border-bottom:1px solid var(--border)}.sysd-palette{grid-template-columns:1fr}.prep-list{border-right:none;border-bottom:1px solid var(--border)}.shell{height:auto;min-height:100vh}.layout,.lesson-layout{grid-template-columns:1fr}.story-panel{border-right:none;border-bottom:1px solid var(--border)}.editor-body{min-height:320px}}:root{--world-tile:58px}.world-wrap{flex-direction:column;align-items:center;gap:14px;padding:14px 12px 24px;display:flex}.world-hud{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.world-tip{color:var(--text-dim);font-size:12px}.world-viewport{border:1px solid var(--border);border-radius:14px;max-width:100%;overflow:auto;box-shadow:inset 0 0 60px #0006}.world-board{background:repeating-linear-gradient(0deg, #ffffff08 0 1px, transparent 1px var(--world-tile)), repeating-linear-gradient(90deg, #ffffff08 0 1px, transparent 1px var(--world-tile)), radial-gradient(circle at 30% 20%, #1c3a24, #12251a 70%);flex:none;position:relative}.world-building{cursor:pointer;color:var(--text);background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;padding:0;display:flex;position:absolute}.world-building-emoji{font-size:calc(var(--world-tile) * .62);filter:drop-shadow(0 3px 3px #00000080);line-height:1;transition:transform .12s}.world-building:hover .world-building-emoji{transform:scale(1.12)}.world-building.near .world-building-emoji{transform:scale(1.18)}.world-building.near:after{content:"";border:2px solid var(--amber);border-radius:10px;animation:1.2s ease-in-out infinite worldpulse;position:absolute;inset:2px}@keyframes worldpulse{50%{opacity:.4}}.world-building-label{top:calc(var(--world-tile) * .9);white-space:nowrap;color:var(--text-dim);background:#00000080;border-radius:5px;padding:1px 5px;font-size:10px;position:absolute}.world-building.done .world-building-label{color:var(--green-light)}.world-done{color:var(--green-light);font-size:12px;font-weight:700;position:absolute;top:2px;right:6px}.world-avatar{font-size:calc(var(--world-tile) * .6);pointer-events:none;z-index:3;justify-content:center;align-items:center;transition:left .12s,top .12s;animation:1.6s ease-in-out infinite worldbob;display:flex;position:absolute}@keyframes worldbob{50%{transform:translateY(-3px)}}.world-controls{flex-wrap:wrap;justify-content:center;align-items:center;gap:18px;display:flex}.world-dpad{grid-template-rows:repeat(3,34px);grid-template-columns:repeat(3,34px);gap:3px;display:grid}.world-dbtn{background:var(--bg-inset);border:1px solid var(--border);color:var(--text);cursor:pointer;border-radius:7px;font-size:13px}.world-dbtn:active{background:var(--green);color:#fff}.world-dbtn.up{grid-area:1/2}.world-dbtn.left{grid-area:2/1}.world-dbtn.down{grid-area:3/2}.world-dbtn.right{grid-area:2/3}.world-enter{min-width:210px}@media (width<=640px){:root{--world-tile:40px}}