:root{--safe-area-top:env(safe-area-inset-top,0px);color:#182433;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#eaf3ef;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#e7f1ed;min-width:320px;min-height:100vh;margin:0}button,input,textarea{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible{outline-offset:2px;outline:3px solid #345d8d40}.exam-shell{background:#e7f1ed;min-height:100vh}.topbar{z-index:70;height:calc(56px + var(--safe-area-top));padding:var(--safe-area-top) 14px 0;color:#fff;background:#304f7d;grid-template-columns:42px 1fr 42px;align-items:center;display:grid;position:sticky;top:0;box-shadow:0 2px 8px #1e304638}.topbar strong{font-size:15px;font-weight:720}.topbar-button,.navigator-heading button{color:currentColor;cursor:pointer;background:0 0;border:0;border-radius:6px;place-items:center;width:36px;height:36px;padding:0;transition:background-color .16s,color .16s;display:inline-grid}.topbar-button:hover{background:#ffffff1f}.bookmark-button{justify-self:end}.bookmark-button.active{color:#f6d759}.exam-topbar{grid-template-columns:42px 1fr auto}.topbar-actions{align-items:center;gap:4px;display:flex}.exit-session{color:#fff;cursor:pointer;background:0 0;border:1px solid #ffffff40;border-radius:6px;align-items:center;gap:6px;min-height:34px;padding:0 9px;font-size:11px;font-weight:710;display:inline-flex}.exit-session:hover{background:#ffffff1f}.exit-session:disabled{opacity:.5;cursor:default}.start-page{background:#e7f1ed;min-height:100vh}.start-topbar{grid-template-columns:1fr auto;padding-inline:max(20px,50% - 520px)}.account-controls,.sync-state,.account-name{align-items:center;display:flex}.account-controls{gap:12px;min-width:0}.offline-ready{color:#d8f4ed;align-items:center;gap:6px;font-size:10px;font-weight:720;display:inline-flex}.sync-state,.account-name{white-space:nowrap;gap:5px;font-size:10px;font-weight:700}.sync-state{color:#d9e8f6}.sync-state.syncing svg{animation:.9s linear infinite spin}.sync-state.offline{color:#f5d77c}.account-name{color:#fff;max-width:150px}.account-name span{text-overflow:ellipsis;overflow:hidden}.account-logout{color:#fff;cursor:pointer;background:0 0;border:1px solid #ffffff3d;border-radius:6px;place-items:center;width:32px;height:32px;padding:0;display:grid}.account-logout:hover{background:#ffffff1f}.login-page{color:#1d2e43;background:#e7f1ed;min-height:100vh}.login-topbar{grid-template-columns:1fr auto;padding-inline:max(20px,50% - 520px)}.login-topbar>span{color:#d8f4ed;align-items:center;gap:6px;font-size:10px;font-weight:720;display:flex}.login-shell{background:#fff;border:1px solid #657a8c33;border-radius:8px;width:min(430px,100% - 32px);margin:clamp(42px,10vh,96px) auto 40px;padding:36px;animation:.36s cubic-bezier(.22,.75,.25,1) both startScreenIn;box-shadow:0 16px 38px #435b6921}.login-mark{color:#fff;background:#3b7e81;border-radius:8px;place-items:center;width:52px;height:52px;margin-bottom:22px;display:grid}.login-shell h1{color:#1d2e43;letter-spacing:0;margin:6px 0 12px;font-size:30px;line-height:1.18}.login-shell>p:not(.start-eyebrow){color:#667487;margin:0;font-size:14px;line-height:1.55}.login-form{gap:17px;margin-top:28px;display:grid}.login-form label{color:#526176;gap:7px;font-size:11px;font-weight:750;display:grid}.login-input{color:#718091;background:#fbfcfc;border:1px solid #cbd5dc;border-radius:6px;grid-template-columns:22px minmax(0,1fr);align-items:center;gap:8px;min-height:45px;padding:0 12px;transition:border-color .16s,box-shadow .16s;display:grid}.login-input:focus-within{border-color:#4d778f;box-shadow:0 0 0 3px #345d8d1f}.login-input input{color:#203144;background:0 0;border:0;outline:0;width:100%;min-width:0;padding:0;font-size:14px}.login-error{color:#745710;background:#fff7d8;border-left:3px solid #d49b2c;border-radius:0 5px 5px 0;padding:10px 12px;font-size:12px;line-height:1.4}.login-action{width:100%;margin-top:3px}.login-loading{color:#526176;align-items:center;gap:10px;min-height:48px;margin-top:28px;font-size:12px;font-weight:680;display:flex}.account-spinner{border:2px solid #c7d9da;border-top-color:#3b7e81;border-radius:50%;width:20px;height:20px;animation:.7s linear infinite spin}.start-tabs{background:#ffffff94;border:1px solid #cbd9dc;border-radius:7px;grid-template-columns:1fr 1fr;width:min(420px,100% - 32px);margin:26px auto 0;padding:3px;display:grid}.start-tabs button{color:#5e7180;cursor:pointer;background:0 0;border:0;border-radius:5px;min-height:38px;font-size:12px;font-weight:740}.start-tabs button.active{color:#fff;background:#3b7e81;box-shadow:0 2px 8px #2f5f632b}.start-layout{grid-template-columns:300px minmax(0,1fr);align-items:start;gap:26px;width:min(980px,100% - 40px);margin:22px auto 44px;display:grid}.start-content{background:#fff;border:1px solid #657a8c30;border-radius:8px;width:100%;margin:0;padding:38px 40px 40px;animation:.36s cubic-bezier(.22,.75,.25,1) both startScreenIn;box-shadow:0 14px 36px #435b691f}.setup-navigator{color:#203144;background:#dceff1;border:1px solid #bfd7dc;border-radius:8px;min-width:0;padding:18px;animation:.32s cubic-bezier(.22,.75,.25,1) both startScreenIn;box-shadow:0 12px 28px #3048551c}.setup-heading,.setup-summary,.setup-tools{align-items:center;display:flex}.setup-heading{border-bottom:1px solid #c2dadd;justify-content:space-between;gap:12px;padding-bottom:15px}.setup-heading>div{gap:3px;display:grid}.setup-heading span{color:#6b8290;text-transform:uppercase;font-size:9px;font-weight:760}.setup-heading strong{color:#27435b;font-size:15px}.setup-heading svg{color:#52778a}.setup-summary{gap:13px;min-height:96px;padding:16px 0}.setup-summary>div:last-child{gap:5px;min-width:0;display:grid}.setup-summary strong{color:#29465e;text-overflow:ellipsis;font-size:12px;line-height:1.35;overflow:hidden}.setup-summary span{color:#6b8190;font-size:10px}.setup-progress{flex:none;width:62px}.setup-progress span{color:#38596d;font-size:13px}.selection-mode{background:#ffffff6b;border:1px solid #bdd3d7;border-radius:7px;grid-template-columns:1fr 1fr;padding:3px;display:grid}.selection-mode button{color:#587181;cursor:pointer;background:0 0;border:0;border-radius:5px;min-height:34px;font-size:11px;font-weight:730;transition:color .15s,background-color .15s,box-shadow .15s}.selection-mode button.active{color:#fff;background:#3b7e81;box-shadow:0 2px 7px #2f5f632e}.active-study-path{background:#ffffff6b;border:1px solid #bdd3d7;border-radius:7px;grid-template-columns:1fr auto;align-items:center;gap:3px 10px;min-height:42px;padding:7px 10px;display:grid}.active-study-path span{color:#6d8290;text-transform:uppercase;font-size:9px;font-weight:720}.active-study-path strong{color:#35576a;font-size:12px}.active-study-path b{color:#2d6969;text-align:right;grid-area:1/2/span 2;min-width:30px;font-size:18px}.setup-grid{scrollbar-color:#8fb4bb transparent;scrollbar-width:thin;grid-template-columns:repeat(5,38px);justify-content:center;gap:10px 9px;max-height:min(48vh,550px);margin:18px -3px 0;padding:2px 3px 15px;display:grid;overflow-y:auto}.setup-bubble{color:#547180;cursor:pointer;background:#edf6f7;border:1px solid #b5d1d6;border-radius:50%;place-items:center;width:38px;height:38px;padding:0;font-size:10px;font-weight:740;transition:transform .15s,border-color .15s,color .15s,background-color .15s,box-shadow .15s;display:grid}.setup-bubble:hover{border-color:#6ba9aa;transform:translateY(-1px)}.setup-bubble:disabled{cursor:default}.setup-bubble:disabled:hover{transform:none}.setup-bubble.history-unseen{color:#547180;background:#edf6f7;border-color:#b5d1d6}.setup-bubble.history-mastered{color:#216b63;background:#b7e2dc;border-color:#69b9ae}.setup-bubble.history-review{color:#755d0b;background:#f3dc7d;border-color:#ddbd45}.setup-bubble.session-selected{border-color:#294c77;box-shadow:0 0 0 3px #294c7733}.setup-bubble.session-selected.history-unseen{color:#fff;background:#52799d}.setup-bubble.anchor{color:#66500b;background:#f3d96e;border-color:#d4aa26;transform:scale(1.05);box-shadow:0 0 0 4px #e0b52e33}.setup-selection-state{color:#607887;border-top:1px solid #c2dadd;align-items:center;gap:7px;min-height:28px;padding:7px 4px;font-size:10px;font-weight:680;display:flex}.range-dot{background:#d0e6e9;border:1px solid #8eb4ba;border-radius:50%;width:8px;height:8px}.range-dot.active{background:#edcb4d;border-color:#d0a31d}.setup-tools{gap:8px;padding-top:9px}.setup-tools button{color:#456474;cursor:pointer;background:#ffffff85;border:1px solid #b8d0d4;border-radius:6px;flex:1;min-height:32px;font-size:10px;font-weight:710}.setup-tools button:hover{background:#fffc;border-color:#89adb3}.history-legend{color:#607887;border-top:1px solid #c2dadd;grid-template-columns:1fr 1fr;gap:8px 10px;padding-top:13px;font-size:9px;display:grid}.history-legend span{align-items:center;gap:6px;display:flex}.history-legend i{background:#edf6f7;border:1px solid #aecbd0;border-radius:50%;width:9px;height:9px}.history-legend i.selected{border:2px solid #294c77}.history-legend i.mastered{background:#9ed8cf;border-color:#69b9ae}.history-legend i.review{background:#f0d363;border-color:#d8b434}.start-mark{color:#fff;background:#3d8f86;border-radius:8px;place-items:center;width:54px;height:54px;margin-bottom:22px;display:grid}.start-eyebrow{color:#37867d;text-transform:uppercase;margin:0 0 7px;font-size:12px;font-weight:780}.start-content h1{color:#1d2e43;letter-spacing:0;margin:0 0 12px;font-size:34px;line-height:1.15}.start-summary{color:#667487;max-width:500px;margin:0;font-size:15px;line-height:1.6}.journey-stats{border-top:1px solid #e0e6e8;border-bottom:1px solid #e0e6e8;grid-template-columns:repeat(3,minmax(0,1fr));margin:25px 0 28px;display:grid}.journey-stats>div{border-right:1px solid #e0e6e8;grid-template-columns:22px minmax(0,1fr);align-items:center;gap:2px 7px;min-width:0;padding:13px 10px;display:grid}.journey-stats>div:last-child{border-right:0}.journey-stats svg{color:#3d8f86;grid-row:1/span 2}.journey-stats strong{color:#26394f;text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.journey-stats span{color:#788697;font-size:9px}.continue-preview{grid-template-columns:1.3fr .8fr .9fr;gap:9px;margin-top:24px;display:grid}.continue-preview>div{background:#f7faf9;border:1px solid #dce4e6;border-radius:7px;gap:5px;min-width:0;min-height:72px;padding:13px;display:grid}.continue-preview span{color:#7a8795;text-transform:uppercase;font-size:9px;font-weight:720}.continue-preview strong{color:#2b4157;text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.planner-section{gap:9px;margin-top:20px;display:grid}.planner-label{color:#607083;text-transform:uppercase;font-size:10px;font-weight:770}.study-paths,.goal-mode{background:#f5f8f8;border:1px solid #d5dde2;border-radius:7px;padding:3px;display:grid}.study-paths{grid-template-columns:repeat(4,minmax(0,1fr))}.goal-mode{grid-template-columns:1fr 1fr}.study-paths button,.goal-mode button{color:#647385;cursor:pointer;background:0 0;border:0;border-radius:5px;min-width:0;min-height:36px;padding:0 7px;font-size:10px;font-weight:720;transition:color .15s,background-color .15s,box-shadow .15s}.study-paths button.active,.goal-mode button.active{color:#fff;background:#3b7e81;box-shadow:0 2px 7px #2f5f6329}.goal-planner{border-top:1px solid #e1e6e8;padding-top:18px}.goal-presets{grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;display:grid}.time-presets{grid-template-columns:repeat(4,minmax(0,1fr)) minmax(112px,1.6fr)}.custom-time-control{color:#647385;background:#fff;border:1px solid #d3dce1;border-radius:6px;grid-template-columns:auto minmax(36px,1fr) auto;align-items:center;gap:5px;min-height:34px;padding:0 7px;display:grid}.custom-time-control span,.custom-time-control b{font-size:9px;font-weight:720}.custom-time-control input{color:#2e5264;text-align:center;background:0 0;border:0;border-bottom:1px solid #b8c5cc;outline:0;width:100%;min-width:0;padding:3px;font-size:11px;font-weight:750}.goal-presets button{color:#516478;cursor:pointer;background:#fff;border:1px solid #d3dce1;border-radius:6px;min-height:34px;font-size:10px;font-weight:740}.goal-presets button.active{color:#286664;background:#e2f1ef;border-color:#5b888c}.goal-presets button:disabled{color:#a4adb6;cursor:default;background:#f3f5f5}.custom-goal-count{color:#6b7989;background:#f3f8f7;border-left:3px solid #4f9690;align-items:baseline;gap:7px;min-height:34px;padding:7px 10px;display:flex}.custom-goal-count strong{color:#29465e;font-size:17px}.custom-goal-count span{font-size:11px}.session-preview{color:#35586a;background:#edf6f4;border-left:3px solid #4f9690;border-radius:0 6px 6px 0;align-items:flex-start;gap:10px;margin-top:22px;padding:13px 14px;display:flex}.session-preview>svg{flex:none;margin-top:1px}.session-preview>div{gap:3px;display:grid}.session-preview strong{font-size:12px}.session-preview span{color:#687d89;font-size:10px;line-height:1.4}.last-session{color:#758294;grid-template-columns:1fr auto;align-items:center;gap:12px;margin-top:12px;padding:9px 3px;display:grid}.last-session>div{grid-template-columns:1fr auto;gap:3px 12px;display:grid}.last-session span{text-transform:uppercase;grid-column:1/-1;font-size:9px;font-weight:760}.last-session strong,.last-session b{color:#43566d;font-size:11px}.last-session b{font-weight:720}.last-session button{color:#31527f;cursor:pointer;background:#edf2f7;border:0;border-radius:5px;align-items:center;gap:3px;min-height:32px;padding:0 7px;font-size:10px;font-weight:740;display:inline-flex}.last-session button:hover{background:#e2eaf2}.start-details{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:28px 0 20px;display:grid}.start-details>div{background:#f8faf9;border:1px solid #e0e6e8;border-radius:7px;grid-template-columns:24px minmax(0,1fr);align-items:center;gap:3px 7px;min-height:76px;padding:12px;display:grid}.start-details svg{color:#3d8f86;grid-row:1/span 2}.start-details strong{color:#26394f;text-overflow:ellipsis;white-space:nowrap;font-size:14px;overflow:hidden}.start-details span{color:#788697;font-size:10px}.start-timer-note{color:#584b19;background:#fff8d8;border-left:3px solid #e4bf3b;border-radius:0 6px 6px 0;align-items:flex-start;gap:11px;padding:14px;display:flex}.start-timer-note>svg{flex:none;margin-top:1px}.start-timer-note div{gap:3px;display:grid}.start-timer-note strong{font-size:13px}.start-timer-note span{color:#746835;font-size:11px;line-height:1.4}.start-action{width:100%;margin-top:24px}@keyframes startScreenIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.exam-layout{grid-template-columns:minmax(0,790px) 228px;align-items:start;gap:22px;width:min(1100px,100% - 40px);margin:28px auto 56px;transition:width .28s,margin .28s;display:grid}.exam-shell.sidebar-open .exam-layout{width:min(1040px,100% - 326px);margin-left:306px;margin-right:20px}.question-card{background:#fff;border:1px solid #657a8c30;border-radius:8px;min-width:0;min-height:560px;padding:28px 30px 34px;animation-duration:.36s;animation-timing-function:cubic-bezier(.22,.75,.25,1);overflow:hidden;box-shadow:0 12px 32px #435b691c}.slide-forward{animation-name:slideForward}.slide-back{animation-name:slideBack}@keyframes slideForward{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes slideBack{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}.question-meta{justify-content:space-between;align-items:center;gap:18px;margin-bottom:18px;display:flex}.question-meta h1{color:#1c2b3e;margin:0;font-size:18px;line-height:1.25}.question-meta span{color:#748194;flex:none;font-size:12px;font-weight:650}.question-stem{color:#26374c;margin:0 0 26px;font-size:15px;line-height:1.72}.question-stem.highlighting{cursor:text;-webkit-user-select:text;user-select:text}.question-stem.highlighting::selection{background:#f9dd4d8c}.question-image{place-items:center;width:100%;margin:-6px 0 26px;display:grid}.question-image img{object-fit:contain;background:#f7f8f9;border:1px solid #e5e9ed;border-radius:6px;width:auto;max-width:min(100%,680px);max-height:520px;display:block}.question-highlight{color:inherit;background:linear-gradient(90deg,#fadc3ebf 0% 50%,#fadc3e24 50% 100%) 100% 0/200% 100%;border-radius:2px;padding:1px 2px;animation:.46s forwards highlightSweep}@keyframes highlightSweep{to{background-position:0 0}}.instruction{color:#677487;margin:0 0 14px;font-size:13px;font-weight:560}.answer-list{gap:3px;display:grid}.answer-list.checking .answer-option:not(.revealed){opacity:.55}.answer-option{--reveal-delay:0s;border-bottom:1px solid #edf0f3;min-width:0;transition:opacity .18s;position:relative}.answer-choice{color:#2c394b;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;grid-template-columns:24px minmax(0,1fr) 48px;align-items:center;gap:10px;width:100%;min-height:47px;padding:7px 8px;transition:background-color .16s,color .16s;display:grid;position:relative;overflow:hidden}.answer-choice:not(:disabled):hover{background:#f4f7f8}.answer-choice:disabled{cursor:default}.choice-marker{z-index:2;color:#fff;background:#ffffffd1;border:2px solid #cfd7df;border-radius:50%;place-items:center;width:20px;height:20px;transition:border-color .18s,background-color .18s,box-shadow .18s,transform .18s;display:inline-grid;position:relative}.answer-option.selected .choice-marker{background:#365a8b;border-color:#365a8b;transform:scale(1.06);box-shadow:inset 0 0 0 4px #fff}.answer-option.correct .choice-marker{background:#2d8e83;border-color:#2d8e83;box-shadow:0 0 0 4px #2d8e831f}.answer-option.wrong .choice-marker{color:#6f5910;background:#f5d45d;border-color:#d5ac2d}.answer-option.neutral .choice-marker{background:#eef1f3;border-color:#b9c2ca}.answer-fill{z-index:0;width:var(--pct);opacity:0;transform-origin:0;border-radius:4px;max-width:calc(100% - 99px);position:absolute;top:7px;bottom:7px;left:43px;transform:scaleX(0)}.answer-option.revealed .answer-fill{opacity:1;transition:transform .72s cubic-bezier(.2,.78,.2,1),opacity .16s;transition-delay:calc(var(--reveal-delay) + .16s);transform:scaleX(1)}.answer-option.correct .answer-fill{background:#57b8a95c}.answer-option.wrong .answer-fill{background:#f7d24b7a}.answer-option.neutral .answer-fill{background:#b2bbc447}.answer-text,.answer-percent{z-index:2;position:relative}.answer-text{min-width:0;font-size:14px;line-height:1.4}.answer-percent{color:#48576a;opacity:0;animation:percentIn .36s ease calc(var(--reveal-delay) + .5s) forwards;justify-self:end;font-size:13px;font-weight:760}@keyframes percentIn{0%{opacity:0;transform:translate(7px)}to{opacity:1;transform:translate(0)}}.explanation{color:#3b4859;animation:explanationIn .36s ease calc(var(--reveal-delay) + .12s) both;background:#f5f7f8;border-left:3px solid #bdc6ce;border-radius:0 5px 5px 0;margin:1px 5px 11px 42px;padding:12px 14px;font-size:13.5px;line-height:1.55}.explanation strong{color:#273548;letter-spacing:0;font-size:12px}.explanation.correct{background:#edf8f5;border-left-color:#3b9b8e}.explanation.wrong{background:#fff9df;border-left-color:#e0b832}@keyframes explanationIn{0%{opacity:0;transform:translateY(-7px)}to{opacity:1;transform:translateY(0)}}.question-actions,.result-actions{align-items:center;gap:12px;margin-top:24px;display:flex}.primary-action,.secondary-action{cursor:pointer;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:0 18px;transition:background-color .16s,border-color .16s,transform .16s,box-shadow .16s;display:inline-flex}.primary-action{color:#fff;background:#304f7d;border:1px solid #304f7d;min-width:136px;box-shadow:0 7px 15px #304f7d2e}.primary-action:not(:disabled):hover{background:#27446d;transform:translateY(-1px);box-shadow:0 9px 18px #304f7d38}.primary-action:disabled{color:#f7f8fa;box-shadow:none;cursor:default;background:#adb6c1;border-color:#adb6c1}.secondary-action{color:#31445d;background:#fff;border:1px solid #cbd3dc}.secondary-action:hover{background:#f7f9fa;border-color:#9eaab8}.text-action,.clear-highlight{color:#526176;cursor:pointer;background:0 0;border:0;align-items:center;gap:6px;padding:7px 4px;display:inline-flex}.text-action:hover,.clear-highlight:hover{color:#294a76}.spinner{border:2px solid #fff6;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.study-panel{gap:12px;display:grid;position:sticky;top:78px}.notepad{background:#fff4a9;border:1px solid #cbb43933;border-radius:7px;gap:8px;min-height:130px;padding:13px;display:grid;box-shadow:0 7px 18px #786b2a14}.notepad>span{color:#78651a;align-items:center;gap:7px;font-size:12px;font-weight:760;display:flex}.notepad textarea{resize:vertical;color:#4b4525;background:0 0;border:0;outline:0;width:100%;min-height:80px;padding:0;font-size:13px;line-height:1.48}.notepad textarea::placeholder{color:#5d52228c}.study-tool{color:#536275;background:0 0;border:0;border-radius:6px;align-items:center;gap:9px;min-height:38px;padding:0 6px;display:flex}button.study-tool{cursor:pointer}button.study-tool:hover{background:#ffffff73}.study-tool strong{font-size:13px}.study-tool small{color:#2b8177;text-transform:uppercase;margin-left:auto;font-size:10px;font-weight:750}.highlighter-tool.active{color:#735f0b;background:#fadc3e59}.clear-highlight{justify-self:start;font-size:12px}.question-navigator{z-index:65;inset:calc(56px + var(--safe-area-top)) auto 0 0;color:#203144;background:#e4f1f4;border-right:1px solid #c8dce1;width:286px;padding:18px 18px 24px;transition:transform .28s cubic-bezier(.22,.75,.25,1);position:fixed;overflow-y:auto;transform:translate(-102%);box-shadow:12px 0 28px #3048551f}.question-navigator.open{transform:translate(0)}.navigator-heading{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.navigator-heading strong{font-size:14px}.navigator-heading button{color:#53687d}.navigator-heading button:hover{background:#ffffffa6}.navigator-summary{border-bottom:1px solid #cbdde1;grid-template-columns:66px minmax(0,1fr) 20px;align-items:center;gap:12px;padding-bottom:18px;display:grid}.progress-ring,.score-ring{--progress:0deg;aspect-ratio:1;background:conic-gradient(#4ba89d 0deg var(--progress), #f1cb48 var(--progress) calc(var(--progress) + 38deg), #c5dce1 calc(var(--progress) + 38deg) 360deg);border-radius:50%;place-items:center;width:64px;display:grid;position:relative;box-shadow:inset 0 0 0 1px #2b556014}.progress-ring:before{aspect-ratio:1;content:"";background:#eaf5f6;border-radius:50%;grid-area:1/1;width:47px}.progress-ring span{z-index:1;color:#476073;grid-area:1/1;font-size:11px;font-weight:780;position:relative}.progress-ring.setup-progress{background:conic-gradient(#4ba89d 0deg var(--progress), #c5dce1 var(--progress) 360deg)}.navigator-count{gap:2px;display:grid}.navigator-count strong{color:#26415d;font-size:24px;line-height:1}.navigator-count span{color:#6c8092;text-transform:uppercase;font-size:9px}.navigator-count b{color:#526779;margin-top:4px;font-size:10px;font-weight:700}.navigator-count small{color:#6f8594;font-size:9px;font-weight:670}.navigator-summary>svg{color:#7790a2}.question-grid{grid-template-columns:repeat(5,38px);justify-content:center;gap:10px 9px;padding:20px 0;display:grid}.question-bubble{color:#416174;cursor:pointer;background:#d4e9ee;border:1px solid #b9d4db;border-radius:50%;place-items:center;width:38px;height:38px;padding:0;font-size:10px;font-weight:720;transition:transform .15s,box-shadow .15s,background-color .15s;display:grid}.question-bubble:hover{transform:translateY(-1px)}.question-bubble:disabled{cursor:default}.question-bubble:disabled:hover{transform:none}.question-bubble.in-session{box-shadow:0 0 0 2px #294c772e}.question-bubble.correct{color:#246f67;background:#bce5df;border-color:#74c4b9}.question-bubble.wrong{color:#765e08;background:#f6df84;border-color:#e8c64d}.question-bubble.skipped{color:#955541;background:#f7d5cb;border-color:#e69c88}.question-bubble.active{color:#fff;background:#294c77;border-color:#294c77;box-shadow:0 0 0 4px #294c7726}.navigator-legend{color:#607587;border-top:1px solid #cbdde1;grid-template-columns:1fr 1fr;gap:9px;padding-top:16px;font-size:10px;display:grid}.navigator-legend span{align-items:center;gap:6px;display:flex}.navigator-legend i{background:#d4e9ee;border-radius:50%;width:9px;height:9px}.navigator-legend i.correct{background:#7fcabd}.navigator-legend i.wrong{background:#efcc54}.navigator-legend i.skipped{background:#eaa591}.navigator-legend i.selected{background:0 0;border:2px solid #294c77}.navigator-legend i.unseen{border:1px solid #a8c7cf}.navigator-backdrop{display:none}.result-page{color:#182433;background:#f2f5f4;min-height:100vh;animation:.32s cubic-bezier(.22,1,.36,1) both resultPageIn}@keyframes resultPageIn{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:translate(0,0)}}.result-topbar{z-index:70;min-height:calc(56px + var(--safe-area-top));padding:var(--safe-area-top) max(24px, calc((100% - 1040px) / 2)) 0;color:#fff;background:#304f7d;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.result-topbar span{align-items:center;gap:8px;font-size:13px;font-weight:650;display:flex}.result-topbar strong{font-size:13px}.result-content{width:min(1000px,100% - 40px);margin:0 auto;padding:48px 0 64px}.result-hero{grid-template-columns:190px minmax(0,1fr);align-items:center;gap:42px;padding-bottom:38px;display:grid}.score-ring{--score:0deg;--score-color:#3a9b8f;background:conic-gradient(var(--score-color) 0deg var(--score), #dce4e6 var(--score) 360deg);width:180px;box-shadow:none}.score-ring.low-score{--score-color:#efcc54}.score-ring:before{aspect-ratio:1;content:"";background:#fff;border-radius:50%;grid-area:1/1;width:142px}.score-ring>div{z-index:1;grid-area:1/1;justify-items:center;gap:4px;display:grid;position:relative}.score-ring strong{color:#22364e;font-size:36px;line-height:1}.score-ring span{color:#6c7a8c;text-align:center;text-transform:uppercase;width:90px;font-size:10px;line-height:1.25}.result-intro p,.breakdown-heading p{color:#37867d;text-transform:uppercase;margin:0 0 7px;font-size:12px;font-weight:780}.result-intro h1{color:#1d2e43;letter-spacing:0;margin:0 0 12px;font-size:38px;line-height:1.12}.result-intro>span{color:#667487;font-size:15px;line-height:1.55}.result-metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:42px;display:grid}.result-metrics>div{background:#fff;border:1px solid #dce2e5;border-radius:7px;grid-template-columns:26px 1fr;align-items:center;gap:4px 8px;min-height:98px;padding:15px;display:grid}.result-metrics svg{color:#3d8f86;grid-row:1/span 2}.result-metrics strong{color:#22354b;font-size:21px}.result-metrics span{color:#718093;font-size:11px}.result-breakdown{border-top:1px solid #d9e0e3;padding-top:30px}.breakdown-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px;display:flex}.breakdown-heading h2{margin:0;font-size:22px}.breakdown-heading>span{color:#708093;font-size:12px}.result-list{border-top:1px solid #dce2e5}.result-row{color:#28394d;text-align:left;cursor:pointer;background:0 0;border:0;border-bottom:1px solid #dce2e5;grid-template-columns:34px minmax(0,1fr) 120px 20px;align-items:center;gap:12px;width:100%;min-height:76px;padding:11px 12px;transition:background-color .15s;display:grid}.result-row:hover{background:#fff}.result-row:disabled{color:#82909f;cursor:default}.result-row:disabled:hover{background:0 0}.result-status{border-radius:50%;place-items:center;width:30px;height:30px;display:grid}.result-status.correct{color:#23786f;background:#c5e9e3}.result-status.wrong{color:#775e08;background:#f5dd7c}.result-status.unseen,.result-status.skipped{color:#6d7f90;background:#e2e8eb}.result-question,.result-attempts{gap:4px;display:grid}.result-question strong,.result-attempts strong{font-size:13px}.result-question small,.result-attempts small{color:#748194;text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.result-attempts{justify-items:end}.result-row>svg{color:#8491a1}.result-actions{flex-wrap:wrap;margin-top:30px}.result-done{margin-left:auto}@media (width<=1080px){.exam-shell.sidebar-open .exam-layout{width:min(920px,100% - 32px);margin:22px auto 50px}.navigator-backdrop{z-index:60;inset:calc(56px + var(--safe-area-top)) 0 0;background:#1b2b3c47;border:0;display:block;position:fixed}}@media (width<=820px){.start-layout{grid-template-columns:280px minmax(0,1fr);gap:16px;width:min(760px,100% - 24px);margin:24px auto}.start-content{padding:30px 24px}.start-details{grid-template-columns:1fr}.time-presets{grid-template-columns:repeat(4,minmax(0,1fr))}.custom-time-control{grid-column:1/-1}.exam-layout{grid-template-columns:1fr;width:min(680px,100% - 24px);margin:14px auto 32px}.question-card{min-height:auto;padding:22px 18px 28px}.study-panel{order:-1;grid-template-columns:1fr auto;gap:8px 12px;position:static}.notepad{grid-column:1/-1;min-height:100px}.notepad textarea{min-height:52px}.clear-highlight{grid-column:1/-1}.result-content{width:min(680px,100% - 28px);padding-top:32px}.result-hero{grid-template-columns:150px minmax(0,1fr);gap:24px}.score-ring{width:145px}.score-ring:before{width:113px}.score-ring strong,.result-intro h1{font-size:30px}.result-metrics{grid-template-columns:1fr 1fr}}@media (width<=560px){.topbar{height:calc(52px + var(--safe-area-top))}.start-layout{grid-template-columns:1fr;width:min(420px,100% - 24px);margin:16px auto 28px}.start-topbar{padding-inline:12px}.account-controls{gap:8px}.account-name span,.sync-state span{display:none}.account-name{max-width:none}.login-shell{margin-top:24px;padding:28px 22px}.login-shell h1{font-size:27px}.start-tabs{margin-top:16px}.setup-navigator{padding:16px}.setup-grid{max-height:260px}.study-paths{grid-template-columns:1fr 1fr}.journey-stats>div{grid-template-columns:18px minmax(0,1fr);gap:2px 5px;padding-inline:7px}.continue-preview{grid-template-columns:1fr}.continue-preview>div{min-height:58px}.journey-stats svg{width:16px}.journey-stats strong{font-size:12px}.goal-presets{gap:5px}.start-content{margin:0;padding:26px 20px 24px}.start-content h1{font-size:28px}.start-details{grid-template-columns:1fr;gap:8px}.start-details>div{min-height:62px}.question-navigator{top:calc(52px + var(--safe-area-top));width:min(300px,100vw - 38px)}.exit-session span{display:none}.exit-session{justify-content:center;width:34px;padding:0}.navigator-backdrop{top:calc(52px + var(--safe-area-top))}.question-card{padding:20px 14px 24px}.question-stem{font-size:14px;line-height:1.65}.question-image{margin-top:-2px;margin-bottom:22px}.question-image img{max-height:440px}.answer-choice{grid-template-columns:22px minmax(0,1fr) 40px;gap:8px;padding-inline:4px}.answer-fill{max-width:calc(100% - 80px);left:34px}.answer-text,.explanation{font-size:13px}.explanation{margin-left:33px;padding:10px 11px}.question-actions{flex-direction:column;align-items:stretch}.text-action{justify-content:center}.result-topbar{padding-inline:14px}.result-topbar strong{display:none}.result-hero{text-align:center;grid-template-columns:1fr;justify-items:center}.result-intro h1{font-size:28px}.result-metrics{grid-template-columns:1fr 1fr;gap:8px}.result-metrics>div{grid-template-columns:22px 1fr;min-height:88px;padding:12px 10px}.breakdown-heading{flex-direction:column;align-items:start}.result-row{grid-template-columns:32px minmax(0,1fr) 18px}.result-attempts{display:none}.result-actions{flex-direction:column;align-items:stretch}.result-done{margin-left:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:1ms!important;transition-delay:0s!important;animation-duration:1ms!important;animation-delay:0s!important}}