.cg-game-container{box-sizing:border-box;flex-direction:column;gap:20px;width:100%;max-width:800px;margin:0 auto;display:flex;overflow-x:hidden}.cg-game-container>*{box-sizing:border-box;min-width:0;max-width:100%}#cg-screen-play,#cg-screen-summary{width:100%;max-width:680px;margin:0 auto}.cg-card{box-shadow:none;background:0 0;border:none;border-radius:0;flex-direction:column;gap:16px;padding:0;display:flex;position:relative}.cg-title{color:var(--text);text-align:center;margin:0;font-size:18px;font-weight:700}.cg-intro{color:var(--text-dim);text-align:center;margin:0;font-size:13.5px;line-height:1.45}.cg-bar{background:var(--bg-surface);border:1px solid var(--border);box-sizing:border-box;border-radius:8px;flex-wrap:wrap;justify-content:center;align-items:center;gap:20px;width:100%;padding:10px 14px;display:flex;overflow-x:hidden}.cg-bar-item{flex-direction:row;align-items:center;gap:8px;display:flex}.cg-config-label{color:var(--text-dim);font-size:12px;font-weight:700}.cg-select{border:1px solid var(--border);background:var(--bg-card);color:var(--text);cursor:pointer;border-radius:6px;outline:none;padding:5px 10px;font-size:13px;font-weight:600;transition:all .15s}.cg-select:hover{border-color:var(--accent)}.cg-demo-grid{grid-template-columns:1fr;gap:14px;width:100%;display:grid}@media (width>=550px){.cg-demo-grid{grid-template-columns:1fr 1fr}}.cg-demo-card{border:1px solid var(--border);background:var(--bg-surface);cursor:pointer;text-align:center;border-radius:10px;flex-direction:column;gap:8px;padding:14px;transition:all .2s;display:flex}.cg-demo-card:hover{border-color:var(--accent);background:var(--bg-card)}.cg-demo-title{color:var(--text);justify-content:center;align-items:center;gap:4px;font-size:14px;font-weight:700;display:flex}.cg-demo-preview{background:0 0;justify-content:center;align-items:center;height:110px;display:flex;position:relative;overflow:hidden}.cg-demo-canvas{width:100%;height:100%;display:block}.cg-demo-desc{color:var(--text-dim);margin:0;font-size:11.5px;line-height:1.4}.cg-demo-text-box{color:var(--accent);font-size:14px;font-weight:700;transition:opacity .3s}.cg-demo-mix-box{justify-content:center;align-items:center;display:flex}.cg-hud{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;gap:16px;padding-bottom:8px;font-size:13px;display:flex;overflow:hidden}.cg-hud-item{flex-direction:row;align-items:center;gap:6px;display:flex}.cg-hud-label{color:var(--text-dim);text-transform:none;letter-spacing:0;font-size:11px}.cg-hud-val{color:var(--text);font-size:13px;font-weight:700}.cg-timer-bar{background:var(--border);border-radius:1.5px;width:100%;height:3px;margin-top:-6px;position:relative;overflow:hidden}.cg-timer-fill{background:#10b981;width:100%;height:100%;transition:width .1s linear,background-color .3s}.cg-timer-fill.warning{background:#f59e0b}.cg-timer-fill.danger{background:#ef4444}.cg-visual-box{background:0 0;justify-content:center;align-items:center;width:100%;height:clamp(220px,42vw,320px);display:flex;position:relative}.cg-canvas{width:100%;height:100%;display:block}@media (width<=479px){.cg-visual-box{height:220px}}.cg-text-question-banner{color:var(--accent);text-align:center;font-size:20px;font-weight:700}.cg-visual-box:fullscreen{background:var(--bg-card);justify-content:center;align-items:center;width:100vw;height:100vh;padding:24px;display:flex}.cg-visual-box:fullscreen .cg-canvas{width:100%!important;height:100%!important}.cg-fs-btn{border:1px solid var(--border);background:color-mix(in srgb, var(--bg-surface) 90%, transparent);color:var(--text-dim);cursor:pointer;z-index:10;border-radius:4px;padding:3px 8px;font-size:11px;font-weight:600;transition:all .2s;position:absolute;top:4px;right:4px}.cg-fs-btn:hover{color:var(--text);border-color:var(--accent)}.cg-options{grid-template-columns:1fr;gap:8px;display:grid}@media (width>=480px){.cg-options{grid-template-columns:1fr 1fr}}.cg-btn-option{border:1px solid var(--border);background:var(--bg-surface);color:var(--text);text-align:center;cursor:pointer;border-radius:6px;outline:none;justify-content:center;align-items:center;padding:10px 14px;font-size:13.5px;font-weight:600;transition:all .15s;display:flex}.cg-btn-option:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.cg-btn-option.correct{color:#fff!important;background:#10b981!important;border-color:#10b981!important}.cg-btn-option.incorrect{color:#fff!important;background:#ef4444!important;border-color:#ef4444!important}.cg-feedback{text-align:center;border:1px solid #0000;border-radius:8px;flex-direction:column;gap:3px;padding:10px 14px;font-size:12.5px;line-height:1.4;display:flex}.cg-feedback.correct{background:color-mix(in srgb, #10b981 6%, var(--bg-surface));color:#065f46;border-color:#10b98133}.theme-dark .cg-feedback.correct{color:#34d399}.cg-feedback.incorrect{background:color-mix(in srgb, #ef4444 6%, var(--bg-surface));color:#991b1b;border-color:#ef444433}.theme-dark .cg-feedback.incorrect{color:#f87171}.cg-feedback-status{font-size:13.5px;font-weight:700}.cg-summary{text-align:center;flex-direction:column;align-items:center;gap:16px;display:flex}.cg-score-circle{border:5px solid var(--accent);width:90px;height:90px;color:var(--accent);border-radius:50%;justify-content:center;align-items:center;font-size:26px;font-weight:800;display:flex;box-shadow:0 4px 10px #00000005}.cg-summary-rank{color:var(--text);margin-top:-6px;font-size:15px;font-weight:700}.cg-breakdown-table{border-collapse:collapse;text-align:left;width:100%;margin-top:8px;font-size:12.5px}.cg-breakdown-table th{border-bottom:2.5px solid var(--border);color:var(--text-dim);padding:8px;font-weight:700}.cg-breakdown-table td{border-bottom:1px solid var(--border);color:var(--text);padding:8px}.cg-breakdown-table tr:last-child td{border-bottom:0}.cg-breakdown-icon{vertical-align:middle;font-size:15px;display:inline-block}.cg-status-dot{border-radius:50%;width:7px;height:7px;margin-right:4px;display:inline-block}.cg-status-dot.correct{background:#10b981}.cg-status-dot.incorrect{background:#ef4444}.cg-btn-play{background:var(--accent);color:#fff;cursor:pointer;box-shadow:0 2px 6px color-mix(in srgb, var(--accent) 25%, transparent);border:none;border-radius:6px;padding:8px 20px;font-size:13.5px;font-weight:700;transition:all .15s}.cg-btn-play:hover{filter:brightness(1.08)}.cg-btn-play:active{transform:scale(.98)}.cg-katex-inline{vertical-align:middle;display:inline-block}.cg-demo-card:focus-visible,.cg-btn-option:focus-visible,.cg-btn-play:focus-visible,.cg-select:focus-visible,.cg-fs-btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.cg-formula-row{flex-wrap:wrap;align-items:baseline;gap:4px;margin:8px 0;display:flex}.tool-container,[class*=-container],[class*=-card],[class*=-shell],[class*=-wrapper],[class*=-grid]{box-sizing:border-box;max-width:100%}*{box-sizing:border-box}