:root{--ease:cubic-bezier(.2,.8,.2,1)}html{scroll-behavior:smooth}.bookmark-btn{border:1px solid var(--line);background:#fff}.topbar{backdrop-filter:blur(16px);position:relative;z-index:8}.choice{position:relative;overflow:hidden;transition:transform .2s var(--ease),border-color .2s,box-shadow .2s}.choice:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(105,213,193,.12),transparent);transform:translateX(-110%)}.choice:hover:after{transform:translateX(110%);transition:transform .55s}.choice:focus-visible,.primary-btn:focus-visible,.mode-card:focus-visible,.auth-card input:focus-visible{outline:3px solid rgba(105,213,193,.48);outline-offset:2px}.choice.correct{box-shadow:inset 5px 0 var(--teal),0 8px 25px rgba(12,129,125,.1)}.choice.wrong{box-shadow:inset 5px 0 var(--danger),0 8px 25px rgba(217,75,75,.1)}.sync-state{display:inline-flex;align-items:center;gap:5px;margin-left:5px;padding:3px 6px;border-radius:10px;background:#e8f4f0;color:#16766f;font:700 7px monospace;white-space:nowrap}.sync-state:before{content:"";width:5px;height:5px;border-radius:50%;background:#29b99f}.sync-state.syncing:before{animation:syncPulse .7s infinite}.sync-state.error{background:#fff0ef;color:#bd3644}.sync-state.error:before,.sync-state.offline:before{background:#d94b4b}.sync-state.offline{background:#f4f1e8;color:#8b7440}.network-toast{position:fixed;z-index:190;left:50%;top:14px;transform:translateX(-50%);padding:9px 14px;background:#102c31;color:#fff;border:1px solid #31535a;box-shadow:0 12px 35px rgba(0,0,0,.24);font-size:10px;animation:networkIn .3s var(--ease)}.mobile-anatomy-jump{display:none}.question-panel{isolation:isolate}.feedback.show{box-shadow:0 14px 35px rgba(25,54,58,.08)}.clinical-card{box-shadow:0 10px 28px rgba(17,47,51,.07)}.anatomy-status span.active{animation:activeChip 1.1s infinite}.status-strip{transition:background .3s}.premium-toast{border-radius:2px;backdrop-filter:blur(10px)}
@keyframes syncPulse{50%{opacity:.25;transform:scale(.7)}}@keyframes networkIn{from{opacity:0;transform:translate(-50%,-10px)}}@keyframes activeChip{50%{border-color:#ff8993}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}
@media(max-width:760px){body{padding-bottom:68px}.topbar{position:sticky;top:0}.brand small{display:none}.account-chip{padding:5px}.account-chip button{font-size:0}.account-chip button:after{content:"退出";font-size:8px}.sync-state{position:fixed;top:69px;right:8px;z-index:15;box-shadow:0 5px 15px rgba(0,0,0,.12)}.mobile-anatomy-jump{position:fixed;z-index:18;display:flex;align-items:center;gap:8px;right:12px;bottom:12px;border:1px solid #417176;background:rgba(7,31,36,.94);color:#fff;padding:10px 12px;box-shadow:0 12px 32px rgba(0,0,0,.3);font:800 9px "Noto Sans JP";backdrop-filter:blur(10px)}.mobile-anatomy-jump b{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#e43d50;color:#fff}.mobile-anatomy-jump.has-symptom{border-color:#ff5363;animation:activeChip 1s infinite}.mobile-symptom-dock.show~.mobile-anatomy-jump{bottom:78px}.question-body h1{font-size:21px}.choice{padding:16px 14px}.choice-index{flex:0 0 30px}.feedback{padding:17px}.action-row{position:sticky;bottom:0;z-index:7;background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}}
.end-shift-btn{margin-left:auto;margin-right:10px;border:1px solid #d8a3a8;background:#fff7f7;color:#a92e3b;padding:9px 12px;font:800 9px "Noto Sans JP";cursor:pointer}.end-shift-btn:hover{background:#a92e3b;color:#fff}.result-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.result-actions button{margin:0!important}
@media(max-width:760px){.end-shift-btn{margin-left:auto;padding:8px;font-size:8px}.result-actions{display:grid}.result-actions button{width:100%}}
.feedback details[open]{margin-top:18px}.feedback details[open]>summary{margin-bottom:10px}.choice-rationale{border:1px solid var(--line);background:#fff;margin:0!important;padding:15px}.choice-rationale+ .choice-rationale{border-top:0}.choice-rationale header{display:flex;align-items:center;gap:9px}.choice-rationale header i{display:grid;place-items:center;flex:0 0 27px;width:27px;height:27px;border-radius:6px;font-style:normal;font-weight:900}.choice-rationale header b{font-size:12px}.choice-rationale header span{margin-left:auto;padding:3px 6px;background:#173e43;color:#fff;font:700 7px monospace}.choice-rationale p{margin:11px 0 0!important;color:#3e5558!important;font-size:11px!important;line-height:1.9!important}.choice-rationale.is-correct{border-color:#9ad9b0;background:#f1fbf3}.choice-rationale.is-correct header{color:#269b4c}.choice-rationale.is-correct header i{background:#62ca79;color:#fff}.choice-rationale.is-wrong header i{background:#c8cacc;color:#fff}.choice-rationale.is-wrong header{color:#36474a}
@media(max-width:760px){.choice-rationale{padding:14px 12px}.choice-rationale header b{font-size:13px}.choice-rationale p{font-size:12px!important;line-height:1.85!important}}