@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,'Apple SD Gothic Neo',sans-serif;color:#243249;background:#f4f6fa;font-synthesis:none;--blue:#3567e8;--navy:#142640;--muted:#6c788b;--line:#e6eaf1;--light:#eaf0ff;--green:#217c60;--red:#c24c4c}
*{box-sizing:border-box}body{margin:0}button,a,input{ -webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit;text-underline-offset:3px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #80a5ff;outline-offset:4px}button{color:inherit}h1,h2,h3,p{margin:0}svg{width:20px;height:20px;flex-shrink:0;vertical-align:middle;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.skip-link{position:fixed;left:20px;top:-70px;z-index:30;background:white;padding:12px}.skip-link:focus{top:10px}.loading{text-align:center;padding:20vh 20px}.loading h1{font-size:24px;margin:16px}.loading p{color:var(--muted)}
.app-shell{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;background:white;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:29px 20px 24px}.brand{display:flex;align-items:center;gap:11px;margin:0 9px 39px;text-decoration:none}.brand-mark{width:38px;height:38px;background:var(--blue);color:white;display:inline-grid;place-items:center;border-radius:12px;font-size:22px;font-weight:800;flex-shrink:0}.brand strong{display:block;font-size:18px;letter-spacing:-.7px}.brand small{display:block;font-size:10px;color:#8b95a4;margin-top:2px;letter-spacing:.3px}.sidebar-label{font-size:11px;font-weight:600;color:#929baa;margin:0 13px 10px}.main-nav{display:grid;gap:6px}.nav-button{width:100%;padding:13px 14px;display:flex;align-items:center;gap:11px;text-align:left;border:0;border-radius:8px;background:transparent;font-size:13px;color:#6c788b}.nav-button.active{background:var(--light);color:var(--blue);font-weight:700}.nav-button:hover:not(.active){background:#f5f7fb}.nav-count{margin-left:auto;border-radius:5px;padding:1px 6px;background:#e6ebf4;font-size:11px}.subjects{margin-top:37px}.subject{border:0;width:100%;background:transparent;display:flex;align-items:center;gap:9px;padding:11px 9px;font-size:12px;text-align:left;color:#7d8796;line-height:1.7}.subject-number{display:grid;place-items:center;width:23px;height:23px;border:1px solid #e4e8ee;border-radius:7px;font-size:10px;color:#8794a5;flex-shrink:0}.subject.active{font-weight:700;color:var(--navy)}.subject.active .subject-number{color:white;background:var(--navy);border-color:var(--navy)}.subject>svg{margin-left:auto;width:13px}.subject:disabled{color:#8d97a4}.subject:disabled .subject-number{color:#929ba8}.chapter{display:flex;align-items:center;gap:9px;margin:3px 0 10px 20px;padding:11px 16px 11px 19px;border-left:1px solid #dbe3f0;font-size:12px;color:var(--blue);font-weight:600}.chapter:before{content:'';width:5px;height:5px;border-radius:50%;background:var(--blue)}.chapter span{margin-left:auto;color:#8094ba;font-size:10px;font-weight:400}.side-bottom{margin-top:auto;padding:30px 10px 0}.study-note{background:#f7f9fd;padding:16px 13px;border-radius:9px}.study-note svg{color:var(--blue);width:18px}.study-note strong{font-size:12px;margin-left:5px}.study-note p{color:#8791a0;font-size:10px;line-height:1.9;margin-top:8px}.local-caption{font-size:10px;color:#929aa7;margin-top:17px;display:flex;align-items:center;gap:5px}.local-caption svg{width:13px;height:13px}
.workspace{min-width:0}.topbar{height:78px;background:white;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 42px}.breadcrumbs{font-size:12px;color:#8c96a5;display:flex;align-items:center;gap:12px}.breadcrumbs svg{width:13px}.breadcrumbs strong{font-weight:500;color:#4a586d}.top-right{display:flex;align-items:center;gap:20px}.save-state{font-size:11px;color:#8993a2;display:flex;align-items:center;gap:5px}.save-state svg{width:15px;color:#7da28e}.profile{width:32px;height:32px;border-radius:50%;background:#eaf0fb;display:grid;place-items:center;color:#5d78a1;font-size:12px;font-weight:700}.content{max-width:1340px;margin:0 auto;padding:35px 42px 24px}.heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:25px;gap:20px}.eyebrow{font-size:11px;color:var(--blue);font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:7px}.eyebrow span{width:5px;height:5px;background:var(--blue);border-radius:50%}.heading h1{font-size:28px;letter-spacing:-1.3px;font-weight:800;line-height:1.4}.heading p{font-size:12px;color:#7a8698;margin-top:8px;line-height:1.8}.heading-actions{display:flex;align-items:center;gap:10px}.pill{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;padding:7px 10px;border:1px solid #e0e6f0;border-radius:7px;font-size:10px;background:white;color:#66758a}.pill svg{width:13px;height:13px}.button{border:1px solid #dce3ee;background:white;border-radius:8px;font-size:12px;font-weight:600;padding:11px 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.5;text-decoration:none}.button:hover{background:#f7f9fd}.button.primary{background:var(--blue);border-color:var(--blue);color:white}.button.primary:hover{background:#2857d0}.button:disabled{background:#f6f7fa;border-color:#e6eaf0;color:#a4acb9}.button.quiet{background:transparent;border-color:transparent;color:#7f8b9c;font-weight:400}.button svg{width:16px;height:16px}.heading-actions .button{font-size:11px;padding:9px 11px;color:#718098}
.progress-strip{background:white;border:1px solid var(--line);border-radius:10px;padding:18px 23px;margin-bottom:24px;display:flex;align-items:center;gap:25px}.progress-meta{display:flex;align-items:baseline;gap:10px;white-space:nowrap;font-size:11px;color:#7c889b}.progress-meta strong{font-size:18px;font-weight:700;color:#2b3b54;font-variant-numeric:tabular-nums}.progress-meta strong span{font-size:12px;color:#9aa3b0;font-weight:400}.progress-track{height:5px;flex:1;border-radius:5px;background:#edf1f8;overflow:hidden}.progress-fill{background:var(--blue);height:100%;border-radius:5px;transition:width .2s}.timer{font-size:12px;color:#67778d;display:flex;align-items:center;gap:8px;border-left:1px solid var(--line);padding-left:24px;font-variant-numeric:tabular-nums}.timer svg{width:16px;height:16px}.quiz-layout{display:grid;grid-template-columns:minmax(0,1fr) 248px;gap:24px;align-items:start}.question-card{background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden;min-height:486px}.question-top{display:flex;align-items:center;gap:9px;padding:23px 29px 0}.question-label{font-size:12px;color:var(--blue);font-weight:700;letter-spacing:.2px}.question-tag{font-size:10px;color:#8090a6;background:#f3f6fb;padding:4px 7px;border-radius:4px}.icon-button{background:transparent;border:0;width:33px;height:33px;display:inline-grid;place-items:center;border-radius:7px;color:#9ca7b7}.icon-button:hover{background:#f1f4f9}.bookmark{margin-left:auto}.bookmark.marked{color:#c38b1c;background:#fff7df}.bookmark.marked svg{fill:#fff0bd}.question-body{padding:24px 30px 25px}.question-body h2{font-size:18px;font-weight:600;letter-spacing:-.5px;line-height:1.9;white-space:pre-line;word-break:keep-all}.question-image{display:block;max-width:100%;margin:16px 0}.options{display:grid;gap:11px;margin-top:27px}.option{position:relative;border:1px solid #e2e7ef;border-radius:8px;display:flex;align-items:center;gap:14px;padding:15px 16px;background:white;min-height:59px;text-align:left;font-size:13px;line-height:1.7;transition:border-color .12s,background .12s}.option:hover:not(:disabled){border-color:#9db5ee;background:#fafbff}.option-number{display:grid;place-items:center;flex-shrink:0;width:25px;height:25px;border:1px solid #dfe5ee;color:#8c99ac;border-radius:50%;font-size:11px}.option.selected{background:#f1f5ff;border-color:#7098fa;color:#2857bf}.option.selected .option-number{background:var(--blue);color:white;border-color:var(--blue)}.option.correct{background:#edf7f2;border-color:#79bca1;color:#216d53}.option.correct .option-number{background:var(--green);border-color:var(--green);color:white}.option.incorrect{background:#fff3f2;border-color:#e4aaa5;color:#ac4743}.option.incorrect .option-number{background:var(--red);border-color:var(--red);color:white}.option-text{flex:1}.option-state{margin-left:auto;font-size:10px;white-space:nowrap}.question-footer{border-top:1px solid #edf0f5;padding:16px 29px;display:flex;justify-content:space-between;align-items:center;gap:10px;background:#fdfdff}.source-meta{font-size:10px;color:#929dae;line-height:1.8}.source-meta strong{color:#7d899c;font-weight:400}.explanation{padding:20px;margin-top:22px;border-radius:8px;background:#f5f8fd;font-size:12px;line-height:1.9;color:#69798e}.explanation h3{font-size:13px;color:#344c70;margin-bottom:7px;display:flex;align-items:center;gap:8px}.explanation h3 svg{width:16px}.explanation .answer-line{font-weight:700;color:#2a5cbb;margin-bottom:6px}.source-link{font-size:11px;color:#6c83a7;display:inline-flex;align-items:center;gap:4px;margin-top:10px}.source-link svg{width:12px;height:12px}.question-navigation{display:flex;align-items:center;justify-content:space-between;margin-top:17px}.navigation-hint{font-size:10px;color:#9aa5b4}.navigation-buttons{display:flex;gap:9px}.question-navigation .button{min-width:90px}.keyboard-tip{font-size:10px;color:#97a2b2;margin-top:23px;display:flex;align-items:center;gap:6px}.keyboard-tip svg{width:14px;height:14px}kbd{font:inherit;background:white;border:1px solid #e2e7ef;border-radius:3px;padding:0 4px;line-height:1.7}
.answer-panel{background:white;border:1px solid var(--line);border-radius:11px;padding:21px 20px}.panel-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:19px}.panel-heading h2{font-size:13px;font-weight:700}.panel-heading span{font-size:10px;color:#8c99ac}.answer-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.answer-cell{position:relative;border:1px solid #e4e9f1;border-radius:6px;background:white;min-height:33px;color:#8190a6;font-size:11px;font-variant-numeric:tabular-nums}.answer-cell.answered{background:#edf2ff;border-color:#e0e8ff;color:#4770ca}.answer-cell.current{border:1.5px solid var(--blue);color:var(--blue);font-weight:700}.answer-cell.marked:after{content:'';position:absolute;right:3px;top:3px;width:4px;height:4px;border-radius:50%;background:#daa535}.answer-cell.right{background:#e9f6ef;border-color:#cce9da;color:#217c60}.answer-cell.wrong{background:#fff0ee;border-color:#f3d8d4;color:#be5e56}.legend{display:flex;gap:12px;margin:16px 0 20px;font-size:9px;color:#8b97a8}.legend span{display:flex;align-items:center;gap:4px}.legend i{width:7px;height:7px;background:#edf2ff;border:1px solid #cedaf8;border-radius:2px}.legend .empty{background:white;border-color:#d9e1ed}.legend .marked{width:5px;height:5px;background:#daa535;border:0;border-radius:50%}.panel-divider{border:0;border-top:1px solid var(--line);margin:0 0 17px}.panel-stats{display:flex;justify-content:space-between;margin-bottom:10px;font-size:11px;color:#8996a7}.panel-stats strong{font-weight:600;color:#4e6482}.panel-stats .accent{color:var(--blue)}.submit-button{width:100%;margin-top:9px;padding:12px}.tip-panel{padding:21px 9px}.tip-panel h3{font-size:11px;font-weight:600;color:#71819a;display:flex;align-items:center;gap:6px}.tip-panel svg{width:14px;height:14px}.tip-panel p{font-size:10px;color:#8d9bb0;line-height:2;margin-top:9px}.tip-panel a{font-size:10px;color:#7c8eab;display:inline-block;margin-top:9px}.footer{display:flex;justify-content:space-between;gap:16px;font-size:9px;color:#a0aaba;border-top:1px solid #e5eaf2;margin-top:34px;padding-top:18px;line-height:1.8}.footer button{border:0;padding:0;background:none;color:#8d9ab0;font-size:9px}
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,15px);background:var(--navy);color:white;padding:12px 21px;border-radius:9px;font-size:12px;opacity:0;pointer-events:none;z-index:50;transition:opacity .2s,transform .2s;box-shadow:0 5px 25px #14264022;max-width:90%;text-align:center}.toast.visible{opacity:1;transform:translate(-50%,0)}dialog{border:0;border-radius:16px;padding:28px;width:min(440px,calc(100% - 32px));color:#2a3c54;box-shadow:0 20px 80px #14264033}dialog::backdrop{background:#14264066;backdrop-filter:blur(3px)}dialog h2{font-size:20px;line-height:1.5;margin-bottom:12px}dialog p{color:#748198;font-size:13px;line-height:1.9;white-space:pre-line}.dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:23px}
.summary-banner{display:grid;grid-template-columns:160px 1fr;gap:30px;align-items:center;background:var(--navy);color:white;border-radius:13px;padding:32px;margin-bottom:25px}.score-ring{width:132px;height:132px;border-radius:50%;background:conic-gradient(#86a8ff calc(var(--score)*1%),#ffffff22 0);display:grid;place-items:center}.score-inner{width:112px;height:112px;border-radius:50%;background:var(--navy);display:flex;align-items:center;justify-content:center;flex-direction:column}.score-inner strong{font-size:38px;line-height:1.2;font-weight:700}.score-inner small{font-size:11px;color:#a6b7d0;margin-top:5px}.summary-copy h2{font-size:23px;letter-spacing:-.7px;margin-bottom:9px}.summary-copy p{font-size:12px;color:#a8bad4;line-height:1.8}.summary-metrics{display:flex;gap:26px;margin-top:20px}.summary-metrics>div{font-size:11px;color:#a8bad4}.summary-metrics strong{display:block;color:white;font-size:20px;margin-top:5px;font-weight:600}.review-toolbar{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:19px}.review-toolbar h2{font-size:16px}.filter-group{display:flex;background:#e9eef6;border-radius:7px;padding:3px;gap:3px}.filter-button{font-size:11px;border:0;background:transparent;padding:7px 11px;border-radius:5px;color:#7a8ba3}.filter-button.active{background:white;color:#315fae;box-shadow:0 1px 3px #1426400b}.review-list{display:grid;gap:11px}.review-item{background:white;border:1px solid var(--line);border-radius:9px;overflow:hidden}.review-item summary{cursor:pointer;list-style:none;padding:18px 20px;display:flex;align-items:center;gap:12px;font-size:12px;line-height:1.8}.review-item summary::-webkit-details-marker{display:none}.review-item summary>svg{margin-left:auto;color:#9ba8b9;width:16px}.review-item[open] summary>svg{transform:rotate(180deg)}.result-icon{width:26px;height:26px;display:grid;place-items:center;border-radius:50%;flex-shrink:0;font-size:11px;font-weight:700;background:#e8f5ef;color:#2c8b64}.result-icon.wrong{background:#fff0ee;color:#bd5b55}.review-title{flex:1}.review-title small{display:block;font-size:10px;color:#98a4b6;margin-bottom:2px}.review-details{padding:0 22px 22px 58px;font-size:12px;color:#708198;line-height:1.8}.review-options{display:grid;gap:8px;margin:5px 0 15px}.review-option{padding:7px 10px;border-radius:5px;background:#f7f9fc}.review-option.correct{background:#edf8f1;color:#28734f}.review-option.wrong{background:#fff1ef;color:#b05850}.empty-state{padding:65px 25px;text-align:center;background:white;border:1px solid var(--line);border-radius:12px}.empty-icon{margin:0 auto 20px;width:57px;height:57px;display:grid;place-items:center;background:var(--light);border-radius:17px;color:var(--blue)}.empty-icon svg{width:26px;height:26px}.empty-state h2{font-size:19px;margin-bottom:11px}.empty-state p{font-size:12px;line-height:1.9;color:#8794a8;margin-bottom:23px}.history-list{background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden}.history-row{display:grid;grid-template-columns:1fr 120px 90px 90px;align-items:center;gap:15px;padding:22px;border-bottom:1px solid var(--line);font-size:12px;color:#72839b}.history-row:last-child{border:0}.history-row strong{color:#31435f;font-size:13px}.history-row small{display:block;font-size:10px;color:#95a2b4;margin-top:5px}.history-score{font-size:20px;color:var(--blue);font-weight:700}.history-score small{display:inline;font-size:11px;font-weight:400;margin-left:3px}.sources-list{background:white;border:1px solid var(--line);padding:24px;border-radius:10px;display:grid;gap:16px}.sources-list p{font-size:12px;line-height:1.9;color:#7e8da3}.source-row{padding:15px 0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.8}.source-row span{display:block;color:#95a2b6;font-size:10px}
@media(min-width:1500px){.content{padding-top:43px}.question-body{padding-top:32px}.question-card{min-height:540px}.options{margin-top:33px;gap:13px}.option{min-height:64px}.question-body h2{font-size:20px}.question-body{padding-bottom:32px}}
@media(max-width:1200px){.app-shell{grid-template-columns:215px minmax(0,1fr)}.sidebar{padding:28px 14px 20px}.topbar{padding:0 28px}.content{padding:28px}.quiz-layout{grid-template-columns:minmax(0,1fr) 213px;gap:18px}.answer-panel{padding:20px 15px}.answer-grid{gap:6px}.question-body{padding:20px 23px}.question-top{padding-left:23px;padding-right:23px}.question-footer{padding:16px 23px}.heading h1{font-size:26px}.heading-actions .pill{display:none}.brand{margin-left:7px}.brand strong{font-size:16px}.legend{gap:8px}.progress-strip{gap:20px}.navigation-hint{display:none}}
@media(max-width:980px){.app-shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{padding:24px 10px}.brand{gap:8px}.brand strong{font-size:14px}.brand-mark{width:33px;height:33px;font-size:18px}.brand small{font-size:8px}.nav-button{font-size:12px}.subject{font-size:10px;padding-left:5px;gap:6px}.subject-number{width:20px;height:20px}.chapter{font-size:11px;margin-left:14px;padding-left:13px;padding-right:10px}.chapter span{font-size:9px}.content{padding:25px}.topbar{padding:0 25px;height:68px}.quiz-layout{grid-template-columns:minmax(0,1fr)}.answer-panel{padding:20px}.answer-grid{grid-template-columns:repeat(10,1fr);gap:8px}.answer-cell{min-height:35px}.legend{margin-bottom:15px}.panel-stats{display:inline-flex;gap:10px;margin-right:22px}.submit-button{width:auto;display:flex;margin-left:auto;margin-top:-35px;min-width:135px}.tip-panel{display:none}.question-card{min-height:0}.keyboard-tip{margin-top:16px}.footer{margin-top:27px}.heading p{font-size:11px}.heading-actions{align-self:flex-start}.question-footer{padding-top:14px;padding-bottom:14px}.summary-banner{grid-template-columns:120px 1fr;padding:24px;gap:20px}.score-ring{width:110px;height:110px}.score-inner{width:92px;height:92px}.summary-copy h2{font-size:19px}.summary-metrics{gap:18px}.history-row{grid-template-columns:1fr 70px 60px;gap:12px}.history-duration{display:none}}
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.learning-modes{display:flex;align-items:center;gap:23px;margin:-5px 0 22px}.mode-buttons{display:flex;gap:8px;flex-shrink:0}.mode-choice{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #e0e6f0;border-radius:8px;padding:12px 17px;text-align:left;color:#7d8ba0}.mode-choice.active{border-color:#8daaf1;background:#edf3ff;color:#2f60c7}.mode-choice strong{display:block;font-size:12px;font-weight:700}.mode-choice small{display:block;font-size:9px;margin-top:4px;color:#8a98ad}.mode-choice.active small{color:#6a85b3}.mode-choice svg{width:18px;height:18px}.mode-note{font-size:10px;line-height:1.9;color:#6f829d}.mode-note span{color:#9aa7b8}.exam-lock{display:flex;align-items:center;gap:6px;font-size:10px;color:#8394ad}.exam-lock svg{width:14px;height:14px}.submit-note{font-size:9px;line-height:1.8;color:#8b99ae;text-align:center;margin-top:11px}.history-mode{display:inline-block;font-size:9px;color:#8797ae;margin-left:8px}@media(max-width:1150px){.learning-modes{align-items:flex-start;flex-direction:column;gap:9px}.mode-note br{display:none}.mode-note span{margin-left:6px}}@media(max-width:700px){.learning-modes{margin:0 0 18px}.mode-buttons{width:100%;gap:7px}.mode-choice{flex:1;padding:10px 12px;gap:8px}.mode-choice strong{font-size:11px}.mode-choice small{font-size:8px}.mode-note{font-size:9px}.mode-note br{display:block}.mode-note span{margin-left:0}.exam-lock{font-size:9px;gap:4px}.exam-lock svg{width:12px}.submit-note{clear:both;text-align:right;margin-top:15px}.history-mode{display:block;margin:5px 0 0}}

.chapter{width:calc(100% - 20px);border:0;border-left:1px solid #dbe3f0;background:transparent;text-align:left;color:#7d8796;font-weight:500;margin-bottom:3px}.chapter:before{background:#c5cfdf;flex-shrink:0}.chapter.active{color:var(--blue);font-weight:700;background:#f6f8ff}.chapter.active:before{background:var(--blue)}.chapter:hover{background:#f3f6fc}.chapter-switcher{display:flex;gap:8px;margin-bottom:26px}.chapter-tab{display:flex;align-items:center;gap:9px;border:1px solid #dfe5ef;border-radius:8px;padding:11px 16px;background:white;color:#7c8a9e;font-size:12px}.chapter-tab>span{font-size:10px;color:#a1acba}.chapter-tab small{font-size:9px;color:#93a1b5;margin-left:8px}.chapter-tab.active{background:#eaf0ff;border-color:#9ab3ef;color:#305fc4;font-weight:700}.chapter-tab.active>span{color:#7591cd}.chapter-tab:hover{border-color:#9ab3ef}@media(max-width:700px){.chapter-switcher{gap:7px;margin-bottom:23px}.chapter-tab{flex:1;justify-content:center;padding:11px 8px;font-size:11px;gap:7px}.chapter-tab small{font-size:8px;margin-left:2px}.chapter-tab>span{font-size:9px}}

.practice-badge{font-size:9px;color:#856831;background:#fff5df;border:1px solid #f1e2bd;padding:3px 6px;border-radius:4px;white-space:nowrap}@media(max-width:700px){.question-top{flex-wrap:wrap}.practice-badge{font-size:8px}}
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@media(max-width:980px){.bank-filters{grid-template-columns:minmax(0,1fr) 115px 115px;gap:10px}.external-sources{align-items:flex-start;flex-direction:column;gap:16px}.chapter-switcher{gap:7px}.chapter-tab{padding:10px 11px;gap:7px}.chapter-tab small{margin-left:1px}}
@media(max-width:700px){.main-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.nav-button{font-size:10px;gap:5px}.nav-button svg{width:13px;height:13px}.chapter-switcher{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.chapter-tab{min-width:0;min-height:57px;flex-wrap:wrap;align-content:center;font-size:10px;line-height:1.6;padding:8px 5px;gap:1px 5px;word-break:keep-all}.chapter-tab>span{display:none}.chapter-tab small{display:block;width:100%;margin-left:0;font-weight:400}.bank-intro{padding:18px 16px;gap:12px}.bank-intro strong{font-size:14px}.bank-intro p{font-size:9px}.bank-intro .button{font-size:10px;padding:10px;white-space:nowrap}.bank-filters{grid-template-columns:1fr 1fr;gap:12px}.bank-search{grid-column:1/-1}.bank-filters input,.bank-filters select{font-size:12px}.bank-row{padding:17px}.bank-row h3{font-size:12px}.bank-row-meta{font-size:9px}.bank-result-heading h2{font-size:12px}.external-sources{padding:19px}.source-shortcuts{gap:12px}.external-sources h2{font-size:12px}.bank-pagination .button{font-size:11px}}
@media(max-width:420px){.main-nav .nav-button svg{display:none}.nav-button{font-size:11px}.nav-count{font-size:8px;padding:1px 4px}.bank-intro{align-items:flex-start;flex-direction:column}.bank-intro .button{width:100%}}

.bank-result-heading{scroll-margin-top:24px}
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@media(max-width:1100px){.study-selector .chapter-tab{flex-wrap:wrap;gap:4px;font-size:11px}.study-selector .chapter-tab small{width:100%;font-size:9px}.bank-filters.with-chapter{grid-template-columns:repeat(3,minmax(0,1fr))}.bank-filters.with-chapter .bank-search{grid-column:1/-1}}
.score-share-callout{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:19px 22px;background:#fff;border:1px solid var(--line);border-radius:10px;margin:0 0 20px}.score-share-callout strong{font-size:14px;color:var(--navy)}.score-share-callout p{font-size:11px;color:var(--muted);line-height:1.7;margin-top:5px}.score-share-callout .button{white-space:nowrap}.history-row{grid-template-columns:minmax(0,1fr) 100px 70px 60px 92px}.history-share{font-size:11px;padding:9px 10px;white-space:nowrap}
.share-dialog{width:min(760px,calc(100% - 32px));max-height:calc(100vh - 32px);max-height:calc(100dvh - 32px);padding:25px;overflow:auto}.share-dialog-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:20px}.share-dialog-heading h2{margin:0 0 3px;font-size:21px}.share-dialog-heading p{font-size:12px;line-height:1.6}.share-dialog-heading .icon-button{flex-shrink:0;font-size:18px}.share-dialog-body{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:center}.share-preview{display:grid;place-items:center;background:#edf1f8;border-radius:10px;padding:15px;min-height:240px}.share-preview img{display:block;width:100%;height:auto;border-radius:6px;box-shadow:0 5px 20px #14264018}.share-preview [hidden]{display:none}.share-format{font-size:11px;font-weight:600;color:var(--blue)}.share-details h3{font-size:24px;line-height:1.45;letter-spacing:-.6px;margin:9px 0 13px;color:var(--navy)}.share-details p{font-size:12px;line-height:1.8;white-space:normal}.share-actions{display:grid;gap:8px;margin:20px 0 13px}.share-actions .button{justify-content:center;min-height:44px;font-size:13px;text-decoration:none}.share-actions [aria-disabled="true"]{pointer-events:none;opacity:.45}.share-details .share-hint{font-size:11px;color:#718096}.share-details .share-status{font-size:11px;margin-top:16px;padding-top:13px;border-top:1px solid var(--line);color:#435a78;min-height:56px}.share-dialog .button:focus-visible,.history-share:focus-visible{outline:3px solid #8daaf1;outline-offset:3px}
@media(max-width:1100px){.history-row{grid-template-columns:minmax(0,1fr) 85px 55px 80px}.history-duration{display:none}}
@media(max-width:700px){.score-share-callout{align-items:flex-start;flex-direction:column;padding:17px;gap:12px}.score-share-callout .button{width:100%;justify-content:center}.history-row{grid-template-columns:minmax(0,1fr) 65px;gap:12px;padding:17px}.history-row>div:nth-child(2){grid-column:1;grid-row:2}.history-score{grid-column:2;grid-row:1;text-align:right}.history-share{grid-column:2;grid-row:2;font-size:10px;padding:9px 6px}.share-dialog{padding:18px;width:calc(100% - 24px);max-height:calc(100dvh - 24px)}.share-dialog-heading{margin-bottom:14px;gap:8px}.share-dialog-heading h2{font-size:18px}.share-dialog-heading p{font-size:11px}.share-dialog-body{grid-template-columns:minmax(0,1fr);gap:17px}.share-preview{padding:12px;min-height:0}.share-preview img{max-width:212px}.share-details h3{font-size:18px;margin:6px 0}.share-details h3 br{display:none}.share-format{font-size:10px}.share-actions{grid-template-columns:1fr 1fr;margin:13px 0 10px;gap:7px}.share-details .share-status{min-height:0;margin-top:10px;padding-top:10px}.share-details p{font-size:11px}}
@media(max-width:700px){.study-selector{margin-bottom:24px}.study-selector .chapter-switcher{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin-top:8px}.study-selector .chapter-tab{min-height:49px;padding:7px;font-size:11px;gap:1px}.subject-all{padding:12px 13px;gap:10px}.subject-all strong{font-size:12px}.subject-all small{font-size:9px}.subject-all-icon{width:30px;height:30px}.subject-all-icon svg{width:16px}.subject-total{font-size:10px}.subject-all>svg{width:13px}.bank-filters.with-chapter{grid-template-columns:repeat(2,minmax(0,1fr))}.bank-filters.with-chapter label:last-child{grid-column:1/-1}.sidebar{overflow:visible}}

.share-actions .kakao-button{background:#fee500;border-color:#fee500;color:#191919;font-weight:600;grid-column:1/-1}.share-actions .kakao-button:hover:not(:disabled){background:#f2d900;border-color:#f2d900}.share-actions .kakao-button:focus-visible{outline-color:#8a7100}.share-actions .kakao-button:disabled{opacity:.6}