.app{flex-direction:column;max-width:600px;min-height:100dvh;margin:0 auto;padding:24px 20px 0;display:flex}.app-error{margin-bottom:16px}.screen{flex-direction:column;flex:1;gap:24px;padding-bottom:24px;display:flex}.screen-header{flex-direction:column;gap:8px;display:flex}.stack{flex-direction:column;gap:12px;display:flex}.row-between{justify-content:space-between;align-items:center;gap:12px;display:flex}.mode{gap:12px;padding:24px}.mode .link-button{margin-top:4px}.resume{gap:10px}.resume .progress{background:#ffffff29}.filters{scrollbar-width:none;gap:8px;margin:0 -20px;padding:2px 20px;display:flex;overflow-x:auto}.filters::-webkit-scrollbar{display:none}.filters .select{flex:none;width:auto;max-width:none;padding-left:16px;padding-right:34px}.filters .select.set{border-color:var(--primary);color:var(--link)}.empty{border-radius:var(--r-lg);background:var(--pearl);flex-direction:column;align-items:flex-start;gap:6px;padding:24px;display:flex}.empty .btn{min-height:0;padding:8px 0 0}.meta{flex-direction:column;gap:10px;display:flex}.question{justify-content:center;min-height:260px;padding:32px 24px}.question-text{letter-spacing:-.3px;text-wrap:balance;font-size:26px;font-weight:600;line-height:1.23}.toggle{cursor:pointer;flex-direction:row;justify-content:space-between;align-items:center;gap:16px}.toggle-text{flex-direction:column;gap:4px;display:flex}.switch{appearance:none;border-radius:var(--r-pill);background:var(--fill);cursor:pointer;flex:none;width:51px;height:31px;margin:0;transition:background-color .2s;position:relative}.switch:after{content:"";width:27px;height:27px;transition:transform .25s var(--ease);background:#fff;border-radius:50%;position:absolute;top:2px;left:2px}.switch:checked{background:var(--primary)}.switch:checked:after{transform:translate(20px)}.switch:focus-visible{outline:2px solid var(--primary-focus);outline-offset:2px}.option{border-width:2px;border-color:var(--hairline);flex-direction:row;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;font-size:17px;line-height:1.35}.option.selected{border-color:var(--primary);color:var(--link)}.option.dimmed{opacity:.45}.option:disabled{cursor:default}.quiz-status{flex-wrap:wrap;gap:4px 16px;display:flex}.invite{gap:4px}.invite-link{color:var(--link);word-break:break-all;font-size:15px;line-height:1.4}.waiting{align-items:center;gap:10px;display:flex}.pulse-dot{background:var(--primary);border-radius:50%;width:8px;height:8px;animation:1.4s ease-in-out infinite pulse}.stats{grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:24px 16px;display:grid}.stats>div{flex-direction:column;gap:2px;display:flex}.stat-value{letter-spacing:-.4px;font-size:40px;font-weight:600;line-height:1.1}.compat{letter-spacing:.2px;font-size:21px;font-weight:600;line-height:1.3}.action-bar{z-index:10;padding:12px 20px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--hairline);background:var(--glass);-webkit-backdrop-filter:saturate(180%)blur(20px);backdrop-filter:saturate(180%)blur(20px);margin:auto -20px 0;position:sticky;bottom:0}.screen>.action-bar{margin-bottom:-24px}.action-bar-inner{flex-direction:column;gap:4px;display:flex}.action-bar .btn{width:100%}.action-bar .btn.plain{min-height:44px}.action-note{text-align:center;padding:4px 0}@media (prefers-reduced-transparency:reduce){.action-bar{background:var(--canvas);-webkit-backdrop-filter:none;backdrop-filter:none}}