:root{color:#15201c;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--ink:#15201c;--muted:#66716c;--line:#d6ddda;--soft:#edf2f0;--paper:#fff;--green:#176a57;--green-dark:#105545;--green-soft:#e5f2ed;--blue:#245985;--blue-soft:#e9f1f8;--red:#b84339;--red-soft:#f9e8e5;--amber:#9a681b;--amber-soft:#fff7e8;background:#f4f6f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans TC,PingFang TC,sans-serif}*{box-sizing:border-box}html{background:#f4f6f5;min-width:320px;min-height:100%}body{background:#f4f6f5;min-width:320px;min-height:100vh;margin:0}button,input,select,textarea{font:inherit;letter-spacing:0}button,select{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px solid #24598540}button:disabled{cursor:not-allowed;opacity:.45}.app-shell{grid-template-columns:276px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);z-index:20;background:#f8faf9;height:100vh;padding:22px 18px;position:sticky;top:0;overflow-y:auto}.sidebar-head,.brand-lockup,.mobile-brand,.account-row,.sync-status,.answer-heading,.quiz-header,.position-line,.answer-actions,.jump-controls{align-items:center;display:flex}.sidebar-head,.quiz-header,.position-line{justify-content:space-between}.brand-lockup{gap:11px}.brand-lockup>div{gap:2px;display:grid}.brand-lockup strong{color:var(--ink);font-size:17px;font-weight:650}.brand-lockup span:not(.brand-mark){color:var(--muted);font-size:13px}.brand-mark{background:var(--green);color:#fff;letter-spacing:0;border-radius:6px;flex:0 0 42px;place-items:center;width:42px;height:42px;font-weight:750;display:inline-grid}.brand-mark.small{flex-basis:32px;width:32px;height:32px;font-size:13px}.filters-panel,.sidebar-stats{border-top:1px solid var(--line);margin-top:22px;padding-top:20px}.control-label,.filters-panel 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#d3dce2;grid-column:1/-1;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding-top:12px;display:grid}.generated-invite code{color:var(--blue);letter-spacing:1px;font-size:20px;font-weight:700}.admin-loading{color:var(--muted);padding:30px 0}.admin-list{border-top:1px solid var(--line);flex:1;min-height:0;overflow-y:auto}.admin-user{border-bottom:1px solid var(--line);grid-template-columns:minmax(150px,1fr) auto minmax(250px,auto);align-items:center;gap:16px;padding:15px 2px;display:grid}.admin-identity{gap:2px;min-width:0;display:grid}.admin-identity strong{text-overflow:ellipsis;white-space:nowrap;font-size:15px;overflow:hidden}.admin-identity span{color:var(--muted);font-size:12px}.admin-status{color:#815e20;background:var(--amber-soft);white-space:nowrap;border-radius:4px;padding:4px 7px;font-size:12px}.admin-status.active{color:#246b59;background:var(--green-soft)}.admin-actions{justify-content:flex-end;gap:6px;display:flex}.admin-actions 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(width<=500px){.jump-controls{grid-template-columns:1fr 1fr;display:grid}.jump-controls label{grid-column:1/2}.jump-controls .compact-button{grid-column:2/3}.jump-controls .icon-text-button:last-child{grid-column:1/-1}.question-meta span{font-size:12px}.auth-panel{padding:24px 20px}.admin-overlay{padding:14px}.admin-dialog{padding:17px}.admin-head h2{font-size:20px}.generated-invite{grid-template-columns:1fr auto}.generated-invite span{grid-area:2/1/auto/-1}}