:root{--bg:#f4f6f2;--surface:#fff;--surface2:#eef2eb;--ink:#1d302d;--muted:#61716b;--line:#dce4dc;--primary:#20594e;--on-primary:#fff;--accent:#d7ec9a;--accent-ink:#28432d;--soft:#e1eee6;--gold:#e9c76f;--blue:#e0e8f5;--purple:#e9e3f5;--danger:#a13e3a;--danger-bg:#fbe9e7;--success:#286147;--shadow:0 8px 25px #15352a08;--reading-scale:1;color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','Malgun Gothic','Apple SD Gothic Neo','Noto Sans CJK KR',Arial,sans-serif}
:root[data-theme=dark]{--bg:#101f1d;--surface:#192c28;--surface2:#20362f;--ink:#ebf2e9;--muted:#a9bcb0;--line:#344b42;--primary:#bde29c;--on-primary:#193326;--accent:#304b31;--accent-ink:#d4ecb5;--soft:#254034;--gold:#dbc17d;--blue:#26384c;--purple:#382f46;--danger:#ffbbb4;--danger-bg:#462e2d;--success:#b6e0ba;--shadow:none;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.65}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:var(--primary)}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:3px}button{border:0}svg{flex-shrink:0;vertical-align:middle}h1,h2,h3,p{margin:0}h1{font-size:36px;letter-spacing:-1.1px;line-height:1.22;font-weight:650}h2{font-size:23px;line-height:1.4;letter-spacing:-.5px;font-weight:650}h3{font-size:18px;line-height:1.5;font-weight:600}p{color:var(--muted)}small,.tiny{font-size:12px;line-height:1.6;color:var(--muted)}strong,b{font-weight:650}hr{border:0;border-top:1px solid var(--line);margin:24px 0}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;top:-80px;left:20px;z-index:100;padding:12px;background:var(--accent)}.skip:focus{top:12px}.sidebar{position:fixed;inset:0 auto 0 0;width:236px;padding:36px 22px 26px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:var(--surface);z-index:20}.brand{display:flex;align-items:center;gap:12px;background:transparent;padding:0 8px;text-align:left;color:var(--ink);font-size:27px;letter-spacing:2px;font-weight:700}.brand small{display:block;font-size:9px;letter-spacing:2px;margin-top:-6px}.brand-mark{display:grid;place-items:center;background:var(--primary);color:var(--on-primary);height:44px;width:44px;border-radius:14px 14px 3px 14px;font-size:27px;font-weight:500;letter-spacing:0}.sidebar nav{display:flex;flex-direction:column;gap:6px;margin-top:50px}.nav-item{display:flex;gap:13px;align-items:center;min-height:48px;padding:12px 15px;border-radius:10px;background:transparent;color:var(--muted);text-align:left;font-weight:500;font-size:14px}.nav-item:hover{background:var(--surface2);color:var(--ink)}.nav-item.active{background:var(--soft);color:var(--primary);font-weight:650}.sidebar-foot{margin-top:auto;padding:24px 12px 0;border-top:1px solid var(--line)}.sidebar-foot strong{font-size:30px;letter-spacing:1px}.level-label{font-size:10px;letter-spacing:2px;color:var(--muted)}.sidebar-foot p{font-size:12px;margin:8px 0 14px}.shell{margin-left:236px;min-width:0}.topbar{height:90px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 44px;border-bottom:1px solid var(--line);background:var(--bg)}.breadcrumb{display:flex;gap:14px;font-size:12px;color:var(--muted)}.breadcrumb b{color:var(--ink)}.tools{display:flex;align-items:center;gap:9px}.connection{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:10px;margin-right:12px}.is-offline{color:var(--danger)}.language-btn{height:40px;display:flex;gap:7px;align-items:center;background:var(--surface);border:1px solid var(--line);padding:0 11px;border-radius:9px;font-size:12px;font-weight:650}.icon-btn{min-height:42px;min-width:42px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border-radius:10px;color:var(--ink)}.icon-btn:hover{background:var(--surface2)}.mobile-brand,.mobile-nav,.mobile-setting{display:none}.main-content{max-width:1390px;margin:auto;padding:44px 44px 58px;min-height:calc(100dvh - 180px);outline:none}.welcome{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(270px,1fr);gap:40px;align-items:center;padding:8px 0 34px}.welcome h1{font-size:clamp(35px,3.8vw,55px);line-height:1.18;letter-spacing:-1.9px;margin-bottom:22px}.welcome p{max-width:540px;font-size:15px;line-height:1.85}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:27px}.btn{min-height:45px;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;border-radius:9px;padding:11px 17px;font-weight:600;font-size:13px;line-height:1.5;transition:background .15s,transform .15s}.btn.primary{background:var(--primary);color:var(--on-primary)}.btn.secondary{background:var(--surface);border-color:var(--line);color:var(--ink)}.btn.ghost{background:transparent;color:var(--primary)}.btn.danger{background:var(--danger-bg);color:var(--danger);border-color:var(--danger)}.btn:hover:not(:disabled){filter:brightness(.96);transform:translateY(-1px)}.btn svg{order:2}.collection-art{border-radius:18px;background:var(--soft);padding:24px 28px 20px;position:relative;overflow:hidden;border:1px solid var(--line)}.collection-top{display:flex;justify-content:space-between;color:var(--primary);font-size:9px;letter-spacing:2px;font-weight:700;align-items:center}.korean-type{font-size:45px;line-height:1.23;letter-spacing:-2px;margin:20px 0 23px;font-weight:650;word-break:keep-all;color:var(--ink)}.korean-type em{font-style:normal;color:var(--primary)}.collection-bottom{display:flex;align-items:end;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px}.collection-bottom span{font-size:12px;letter-spacing:2px}.collection-bottom b{font-size:46px;line-height:1}.collection-art>p{font-size:10px;margin-top:12px}.stats-row{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;gap:22px;margin-bottom:35px}.stats-row>div{padding-left:18px;border-left:1px solid var(--line)}.stats-row>div:first-child{padding-left:0;border:0}.stats-row span{display:block;font-size:12px;color:var(--muted)}.stats-row b{font-size:29px;display:flex;align-items:baseline;gap:8px}.stats-row small{font-weight:400;font-size:11px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.text-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:8px 0;min-height:40px;font-size:12px;background:transparent;color:var(--primary);font-weight:600}.test-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.test-card{padding:25px 24px 22px;border-radius:14px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);display:flex;flex-direction:column;gap:12px;min-width:0}.card-top{display:flex;align-items:center;justify-content:space-between}.section-icon{background:var(--soft);color:var(--primary);height:46px;width:46px;border-radius:12px;display:inline-grid;place-items:center;flex-shrink:0}.listening .section-icon{background:var(--blue);color:var(--ink)}.writing .section-icon{background:var(--purple);color:var(--ink)}.card-korean{font-size:38px;line-height:1.2;letter-spacing:-1.5px;font-weight:600;margin-top:6px}.test-card p{font-size:13px;line-height:1.85;flex:1}.card-meta{display:flex;align-items:center;justify-content:space-between;gap:7px;padding:10px 0;border-top:1px solid var(--line);font-size:11px;color:var(--muted);flex-wrap:wrap}.card-meta span{display:inline-flex;gap:6px;align-items:center}.test-card .btn{width:100%;justify-content:space-between}.focus-band{margin-top:28px;display:flex;gap:23px;align-items:center;background:var(--accent);color:var(--accent-ink);border-radius:12px;padding:24px}.focus-band p{color:inherit;font-size:12px;max-width:570px;margin-top:7px}.focus-band h2{font-size:19px}.focus-band .btn{margin-left:auto;flex-shrink:0}.focus-seal{border:1px solid currentColor;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;font-size:17px;flex-shrink:0}.disclosure{display:flex;align-items:flex-start;gap:8px;font-size:11px;line-height:1.7;margin-top:18px}.disclosure svg{margin-top:2px}.subtle{color:var(--muted);font-size:12px}.footer{max-width:1390px;padding:22px 44px;display:flex;justify-content:space-between;gap:14px;border-top:1px solid var(--line);font-size:10px;color:var(--muted);flex-wrap:wrap}.footer>span:first-child{letter-spacing:1.5px;font-weight:600}.footer button{color:var(--primary);background:transparent;padding:0;font-size:11px;min-height:26px}.page-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:28px}.page-heading p{margin-top:12px;max-width:700px;font-size:14px}.filters,.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.chip{min-height:42px;padding:9px 15px;border-radius:8px;background:var(--surface);color:var(--muted);border:1px solid var(--line);font-size:12px}.chip.selected{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.note{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:20px;margin-top:24px;font-size:13px}.note p{margin-top:10px}.resume-strip{display:flex;gap:20px;justify-content:space-between;align-items:center;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--primary);padding:16px 20px;border-radius:10px;margin-bottom:26px}.resume-strip>div{display:flex;gap:12px;align-items:center}.resume-strip small{display:block}.resume-strip b{font-size:13px}.resume-strip .btn{flex-shrink:0}
/* Exam workspace */
.exam-toolbar{display:flex;align-items:center;gap:20px;margin-bottom:18px}.exam-toolbar h1{font-size:29px;margin-top:5px}.exam-toolbar h1 small{font-size:18px;color:var(--muted)}.timer-box{margin-left:auto;display:flex;flex-direction:column;text-align:right}.timer-box small{font-size:10px}.timer-box b{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:29px;letter-spacing:1px;font-weight:600}.timer-box.urgent b{color:var(--danger)}.exam-progress{display:grid;grid-template-columns:auto minmax(40px,1fr) auto;gap:17px;align-items:center;margin:5px 0 28px;font-size:11px;color:var(--muted)}.exam-progress>div{height:4px;border-radius:3px;background:var(--line);overflow:hidden}.exam-progress i{display:block;height:100%;background:var(--primary);border-radius:3px}.exam-layout{display:grid;grid-template-columns:195px minmax(0,1fr);gap:24px}.navigator{align-self:start;position:sticky;top:25px}.navigator-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.navigator-title h3{font-size:12px}.navigator-title>span{font-size:10px;color:var(--muted)}.question-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px}.qcell{height:33px;min-width:0;border:1px solid var(--line);border-radius:6px;background:var(--surface);font-size:11px;position:relative;color:var(--muted)}.qcell.answered{background:var(--soft);color:var(--primary);border-color:var(--soft)}.qcell.current{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.qcell.flagged{box-shadow:inset 0 -3px 0 var(--gold)}.qcell span{position:absolute;top:-2px;right:3px;color:var(--gold)}.legend{display:flex;flex-wrap:wrap;gap:10px;font-size:9px;color:var(--muted);margin:15px 0 22px}.legend>span{display:flex;gap:5px;align-items:center}.legend i{height:7px;width:7px;display:inline-block;border-radius:2px}.legend .answered{background:var(--primary)}.legend .flagged{background:var(--gold)}.navigator>.tiny{margin-bottom:15px}.question-sheet{background:var(--surface);border:1px solid var(--line);border-radius:13px;padding:30px;min-width:0;box-shadow:var(--shadow)}.question-top{display:flex;align-items:center;gap:12px;margin-bottom:23px}.question-number{font-size:22px;align-self:start;background:var(--soft);color:var(--primary);height:48px;min-width:48px;display:grid;place-items:center;border-radius:9px;font-weight:650}.question-top .tiny{font-size:10px}.question-top h2{font-size:18px;margin-top:2px}.flag-btn{margin-left:auto}.flag-btn.is-flagged{background:var(--gold);color:#44391a}.passage{background:var(--surface2);border:1px solid var(--line);border-radius:9px;padding:22px 24px;font-size:calc(17px * var(--reading-scale));line-height:2.05;word-break:keep-all;overflow-wrap:anywhere;letter-spacing:0;margin-bottom:24px}.passage p{font-size:inherit;color:var(--ink)}.prompt{font-size:calc(17px * var(--reading-scale));line-height:1.8;word-break:keep-all;overflow-wrap:anywhere;margin-bottom:20px}.options{display:flex;flex-direction:column;gap:10px}.option{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;padding:14px;border:1px solid var(--line);background:var(--surface);border-radius:9px;font-size:calc(15px * var(--reading-scale));line-height:1.8;word-break:keep-all;overflow-wrap:anywhere}.choice-num{width:25px;height:25px;min-width:25px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-size:12px;line-height:1.5;margin-top:1px}.option.chosen{border:1.5px solid var(--primary);background:var(--soft)}.option.chosen .choice-num{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}.option:disabled{opacity:1}.option.is-correct{background:var(--soft);border-color:var(--success)}.option.is-wrong{background:var(--danger-bg);border-color:var(--danger)}.option>svg{margin-left:auto;margin-top:5px}.question-tools{display:flex;justify-content:space-between;gap:12px;margin-top:17px}.answer-explanation{margin-top:24px;background:var(--soft);border-radius:9px;padding:22px;font-size:14px}.answer-explanation h3{font-size:16px;display:flex;gap:8px;align-items:center;margin-bottom:10px}.answer-explanation p{color:var(--ink);margin-top:8px;line-height:1.8}.model-answer{font-size:16px;line-height:2;word-break:keep-all;margin-bottom:20px}.exam-bottom{position:sticky;bottom:0;display:flex;gap:12px;align-items:center;justify-content:space-between;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:13px 18px;box-shadow:0 -5px 25px #10282008;margin:22px 0 0 219px;z-index:12}.exam-bottom>span{font-size:12px;color:var(--muted)}.end-btn{font-size:11px;min-height:40px}.mobile-map{display:none}.writing-editor textarea{display:block;width:100%;resize:vertical;min-height:170px;max-height:900px;padding:17px;border:1px solid var(--line);border-radius:9px;background:var(--surface);font-size:calc(17px * var(--reading-scale));line-height:1.9;white-space:pre-wrap}.word-count{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:var(--muted);margin:10px 0}.word-count.too-long{color:var(--danger)}.written-answer{white-space:normal;padding:22px;background:var(--surface2);border-radius:9px;line-height:2;font-size:17px}.writing-editor>.btn{margin-top:17px}.listening-player{background:var(--soft);border:1px solid var(--line);padding:22px;border-radius:12px;margin-bottom:22px}.player-head{display:flex;align-items:center;gap:13px}.player-head b{font-size:14px}.player-head small{display:block;font-size:10px;margin-top:4px}.player-head .section-icon{background:var(--surface)}.player-controls{display:flex;gap:9px;margin:17px 0 5px}.sound-wave{display:flex;justify-content:center;gap:4px;align-items:center;height:44px;margin-top:8px;overflow:hidden}.sound-wave i{width:3px;background:var(--primary);opacity:.35;border-radius:5px}.playing .sound-wave i{animation:wave .75s ease-in-out alternate infinite}.playing .sound-wave i:nth-child(3n){animation-delay:.2s}.playing .sound-wave i:nth-child(2n){animation-delay:.4s}@keyframes wave{to{transform:scaleY(.4);opacity:.8}}.audio-status{display:block;font-size:11px;margin-top:8px;min-height:18px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px;margin:15px 0}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}th{font-weight:650;background:var(--soft)}
/* Results and tools */
.result-hero{display:flex;align-items:center;gap:30px;justify-content:space-between;background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:32px;margin-bottom:24px}.result-hero strong{display:block;font-size:62px;line-height:1.25;letter-spacing:-2px;color:var(--primary)}.result-hero strong small{font-size:21px;letter-spacing:0}.result-hero p{font-size:12px;max-width:500px;margin-top:8px}.result-stats{display:flex;gap:30px;text-align:center}.result-stats b{font-size:26px;display:block}.result-stats span{font-size:10px;color:var(--muted)}.panel{padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:13px;margin-bottom:22px;min-width:0}.panel h2{display:flex;align-items:center;gap:9px;font-size:20px;margin-bottom:16px}.panel h3{margin:24px 0 12px;font-size:15px}.panel p{font-size:13px;line-height:1.9;margin:12px 0}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.settings-grid .panel{margin-bottom:0}.grade-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:600px;margin:20px 0}.grade-grid label{font-size:14px;font-weight:650}.grade-grid input{width:100%;min-height:46px;display:block;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:10px;margin-top:6px;font-size:16px}.writing-mark>b{display:block;margin-top:20px}.notice-inline{display:flex;gap:10px;align-items:center;font-size:12px;margin-bottom:20px;color:var(--muted)}.answer-list,.history-list{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--surface)}.answer-row,.history-row{width:100%;display:flex;align-items:center;gap:14px;padding:17px 22px;text-align:left;background:var(--surface);border-bottom:1px solid var(--line);line-height:1.5}.answer-row:last-child,.history-row:last-child{border:0}.answer-row:hover,.history-row:hover{background:var(--surface2)}.answer-row b{font-size:13px}.answer-row small{display:block;margin-top:3px}.badge{height:30px;width:30px;display:grid;place-items:center;border-radius:50%;flex-shrink:0}.badge.ok{background:var(--soft);color:var(--success)}.badge.bad{background:var(--danger-bg);color:var(--danger)}.badge.neutral{background:var(--purple)}.row-end{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:12px}.review-sheet{margin-bottom:24px;scroll-margin-top:20px}.history-row h3{font-size:15px}.history-row p{font-size:11px;margin-top:6px}.history-row>strong{margin-left:auto;font-size:22px;white-space:nowrap}.history-row>strong small{font-size:9px;display:block;white-space:normal}.history-row>.section-icon{width:40px;height:40px}.empty{text-align:center;padding:50px 25px;color:var(--muted)}.empty svg{margin-bottom:16px}.empty h2{font-size:21px;justify-content:center;max-width:450px;margin:0 auto 24px}.vocab-toolbar{display:flex;gap:16px;margin-bottom:24px;align-items:center}.search-box{display:flex;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:0 15px;min-height:46px;max-width:450px;width:100%}.search-box input{background:transparent;border:0;outline:0;width:100%;min-width:0;font-size:15px}.vocab-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.vocab-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;min-width:0}.word-flip{background:transparent;width:100%;padding:25px;text-align:left;flex:1}.vocab-word{font-size:27px;letter-spacing:-.6px;word-break:keep-all;overflow-wrap:anywhere}.word-flip p{margin:12px 0 20px;font-size:14px;word-break:keep-all;overflow-wrap:anywhere;line-height:1.9}.meaning{font-size:12px;display:flex;align-items:center;gap:7px;color:var(--primary);min-height:35px}.word-known{display:flex;align-items:center;gap:8px;background:transparent;border-top:1px solid var(--line);padding:12px 25px;font-size:12px;color:var(--muted);min-height:45px;text-align:left}.known .word-known{background:var(--soft);color:var(--primary)}.segmented{display:flex;background:var(--surface2);border-radius:9px;padding:4px;gap:5px;margin:18px 0}.segmented button{flex:1;padding:10px 14px;background:transparent;border-radius:7px;color:var(--muted);font-size:13px;min-height:43px}.segmented .selected{background:var(--surface);box-shadow:var(--shadow);color:var(--primary);font-weight:650;border:1px solid var(--line)}.settings-grid select{max-width:100%;width:100%;padding:12px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:15px;margin-bottom:12px}.button-stack{display:flex;flex-direction:column;gap:10px;margin:18px 0}.source-link{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none}.success-text{color:var(--success)!important}.error-text{color:var(--danger)!important}.checklist{display:flex;flex-direction:column;gap:12px;padding-top:15px}.checklist label{display:flex;gap:10px;align-items:flex-start;font-size:13px}.checklist input{width:18px;height:18px;accent-color:var(--primary)}details summary{cursor:pointer;font-weight:600;min-height:40px;padding:10px 0}
/* Dialogs */
dialog{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:16px;width:min(600px,calc(100vw - 32px));padding:28px;max-height:88dvh;overflow:auto;box-shadow:0 25px 110px #0004}dialog::backdrop{background:#10221e9c;backdrop-filter:blur(4px)}.modal-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.modal-heading h2{font-size:23px}.modal-heading+.question-top{margin-top:22px}dialog p{font-size:13px;line-height:1.8}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}.start-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:20px 0;border-bottom:1px solid var(--line)}.start-facts b{font-size:30px}.start-facts small{display:block;font-size:11px;font-weight:400}.audio-preflight{margin:16px 0}.audio-preflight .btn{margin-top:12px}.audio-preflight .text-btn{margin-left:15px}#voice-check-status{font-size:12px;color:var(--success);margin-top:10px}#notice{position:fixed;left:50%;bottom:30px;transform:translate(-50%,15px);max-width:min(600px,calc(100vw - 30px));padding:13px 20px;background:var(--ink);color:var(--bg);font-size:13px;border-radius:12px;opacity:0;pointer-events:none;transition:all .15s;z-index:100;box-shadow:0 8px 25px #0003}#notice.visible{opacity:1;transform:translate(-50%,0)}
@media(min-width:1550px){.main-content{padding-top:55px}.welcome{gap:80px}.collection-art{max-width:410px;justify-self:end;width:100%}}
@media(max-width:1200px){.sidebar{width:206px;padding-left:16px;padding-right:16px}.shell{margin-left:206px}.topbar{padding:0 28px}.main-content{padding:32px 28px 45px}.welcome{gap:27px;grid-template-columns:minmax(0,1.4fr) minmax(240px,1fr)}.welcome h1{font-size:40px}.test-grid{gap:14px}.test-card{padding:22px 19px}.focus-seal{display:none}.connection{display:none}.exam-layout{grid-template-columns:160px minmax(0,1fr);gap:20px}.exam-bottom{margin-left:180px}.qcell{font-size:10px;height:28px}.question-sheet{padding:23px}.exam-bottom .end-btn{display:none}.vocab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:960px){.sidebar{display:none}.shell{margin-left:0}.topbar{height:74px}.mobile-brand{display:flex;align-items:center;gap:10px;font-size:21px;letter-spacing:1px}.mobile-brand .brand-mark{height:35px;width:35px;font-size:24px;border-radius:10px 10px 3px 10px}.breadcrumb{display:none}.mobile-setting{display:inline-flex}.main-content{padding-bottom:100px}.mobile-nav{position:fixed;bottom:0;left:0;right:0;height:calc(67px + env(safe-area-inset-bottom));padding:5px 10px calc(5px + env(safe-area-inset-bottom));background:var(--surface);border-top:1px solid var(--line);z-index:30;display:grid;grid-template-columns:repeat(5,1fr)}.mobile-nav .nav-item{display:flex;flex-direction:column;gap:4px;padding:6px 3px;font-size:9px;align-items:center;justify-content:center;line-height:1.35;text-align:center;min-width:0;border-radius:8px}.mobile-nav .nav-item svg{width:20px;height:20px}.mobile-nav .nav-item span{overflow-wrap:anywhere}.footer{padding:20px 28px 95px;font-size:9px}#notice{bottom:85px}.exam-bottom{bottom:72px}.main-content.exam-main{padding-bottom:95px}.settings-grid{gap:15px}.panel{padding:23px}.test-card p{font-size:12px}}
@media(max-width:680px){h1{font-size:29px;letter-spacing:-.8px}h2{font-size:21px}.topbar{height:67px;padding:0 18px;gap:10px}.tools{gap:4px}.language-btn{height:38px;padding:0 8px}.icon-btn{min-height:40px;min-width:40px}.main-content{padding:28px 18px 90px}.welcome{grid-template-columns:1fr;gap:24px;padding:0 0 26px}.welcome h1{font-size:38px;letter-spacing:-1.5px;margin-bottom:16px;line-height:1.25}.welcome p{font-size:13px;line-height:1.9}.hero-actions{gap:7px;margin-top:20px}.hero-actions .btn{font-size:11px;padding:11px 13px;flex:1}.collection-art{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px 20px;padding:19px 22px;border-radius:12px}.collection-top{grid-column:1/3;letter-spacing:1.5px}.collection-top svg{height:18px}.korean-type{font-size:28px;margin:4px 0;line-height:1.24;letter-spacing:-.8px}.korean-type br{display:none}.korean-type em{display:block}.collection-bottom{padding:0;border:0;flex-direction:column-reverse;align-items:flex-end;gap:8px}.collection-bottom b{font-size:42px}.collection-bottom span{font-size:10px;letter-spacing:1px}.collection-art>p{grid-column:1/3;margin:0;font-size:10px}.stats-row{grid-template-columns:1fr 1fr;gap:17px 24px;padding:20px 0;margin-bottom:28px}.stats-row>div{padding:0!important;border:0}.stats-row b{font-size:25px}.stats-row span{font-size:11px}.section-heading h2{font-size:22px}.section-heading .text-btn{font-size:11px}.test-grid{grid-template-columns:1fr;gap:14px}.test-card{display:grid;grid-template-columns:1fr auto;padding:22px;gap:8px 15px}.card-top{grid-column:1/3}.card-korean{grid-column:2;grid-row:2/4;font-size:36px;margin:0;text-align:right;align-self:center}.test-card h3{grid-column:1;grid-row:2;margin-top:4px}.test-card p{grid-column:1/3;font-size:13px;padding:4px 0 6px;line-height:1.8}.test-card .card-meta{grid-column:1/3;padding:10px 0;justify-content:flex-start;gap:24px}.test-card .btn{grid-column:1/3;min-height:43px}.card-top .section-icon{height:38px;width:38px;border-radius:9px}.card-top .section-icon svg{width:21px}.focus-band{padding:21px;flex-wrap:wrap;gap:16px}.focus-band .btn{margin-left:0;font-size:12px}.focus-band p{font-size:12px}.focus-band h2{font-size:18px}.footer{padding:18px 18px 90px;gap:7px}.footer>span:nth-child(2){width:100%;order:2}.resume-strip{padding:13px;gap:10px}.resume-strip>div{gap:7px}.resume-strip>div>svg{display:none}.resume-strip b{font-size:12px}.resume-strip small{font-size:10px}.resume-strip .btn{font-size:11px;padding:10px}.page-heading{flex-wrap:wrap;gap:17px;margin-bottom:22px}.page-heading p{font-size:12px}.filters{gap:6px}.chip{font-size:11px;padding:8px 12px;min-height:40px}.exam-layout{display:block}.navigator{display:none}.mobile-map{display:inline-flex}.exam-toolbar{gap:10px;margin-bottom:15px}.exam-toolbar h1{font-size:24px}.timer-box b{font-size:25px}.timer-box small{font-size:9px}.exam-toolbar>.mobile-map{background:var(--surface);border:1px solid var(--line)}.exam-progress{grid-template-columns:auto 1fr;gap:10px;font-size:10px;margin-bottom:20px}.exam-progress>small{grid-column:1/3;font-size:10px}.question-sheet{padding:19px 16px;border-radius:12px}.question-number{height:42px;min-width:42px;font-size:20px}.question-top{gap:10px;margin-bottom:20px}.question-top h2{font-size:16px;word-break:keep-all;overflow-wrap:anywhere}.question-top .tiny{font-size:9px}.question-top .icon-btn{min-width:34px;min-height:38px}.passage{padding:17px 15px;font-size:calc(16px * var(--reading-scale));line-height:1.98;margin-bottom:21px}.prompt{font-size:calc(16px * var(--reading-scale));line-height:1.9;margin-bottom:18px}.option{font-size:calc(14px * var(--reading-scale));padding:12px 11px;gap:9px;line-height:1.8}.choice-num{min-width:23px;width:23px;height:23px}.question-tools .btn{font-size:11px;padding:10px 12px}.question-tools .text-btn{font-size:10px}.exam-bottom{margin-left:0;padding:11px 12px;border-radius:10px;bottom:calc(71px + env(safe-area-inset-bottom));gap:7px}.exam-bottom .btn{font-size:11px;padding:10px 12px;min-height:43px}.exam-bottom>span{font-size:10px}.main-content.exam-main{padding-top:22px;padding-bottom:92px}.answer-explanation{padding:16px;font-size:13px}.answer-explanation p{font-size:13px}.model-answer{font-size:15px}.listening-player{padding:18px}.player-controls .btn{font-size:12px}.sound-wave{gap:3px}.written-answer{font-size:16px;padding:16px}.writing-editor textarea{padding:13px;font-size:calc(16px * var(--reading-scale));min-height:180px}.word-count{flex-wrap:wrap;font-size:10px}.writing-editor>.subtle{font-size:10px}.result-hero{padding:23px;display:block}.result-hero strong{font-size:54px}.result-hero>div>span{font-size:12px}.result-stats{justify-content:space-between;border-top:1px solid var(--line);padding-top:19px;margin-top:20px;gap:15px}.result-stats b{font-size:24px}.result-hero p{font-size:11px}.settings-grid{grid-template-columns:1fr;gap:18px}.panel{padding:22px 20px}.panel h2{font-size:19px}.panel p{font-size:12px}.grade-grid{gap:10px}.grade-grid label{font-size:12px}.grade-grid input{padding:9px;font-size:16px}.history-row{padding:17px 14px;gap:11px}.history-row>.section-icon{display:none}.history-row h3{font-size:13px}.history-row p{font-size:10px;max-width:180px}.history-row>strong{font-size:19px}.history-row>svg{width:16px}.answer-row{padding:15px 13px;gap:10px}.answer-row b{font-size:12px}.answer-row small{font-size:11px}.row-end{font-size:10px;gap:7px}.vocab-grid{grid-template-columns:1fr 1fr;gap:12px}.word-flip{padding:17px 15px}.vocab-word{font-size:24px}.word-flip p{font-size:12px;margin:12px 0;line-height:1.9}.meaning{font-size:11px}.word-known{padding:12px 15px;font-size:10px}.vocab-toolbar{flex-wrap:wrap;gap:12px}.search-box{max-width:none}.vocab-toolbar .chip{margin:0}.question-grid{grid-template-columns:repeat(5,1fr);gap:8px}.qcell{height:43px;font-size:12px}.legend{font-size:11px}dialog{padding:22px 20px;width:calc(100vw - 22px);border-radius:14px;max-height:92dvh}.modal-heading{margin-bottom:15px}.modal-heading h2{font-size:21px}.modal-actions .btn{font-size:12px;padding:11px 13px}.audio-preflight{padding:17px}.table-wrap{font-size:12px}th,td{padding:10px 8px;font-size:12px}.empty{padding:35px 20px}.empty h2{font-size:19px}.settings-grid .button-stack .btn{font-size:12px}.settings-grid .source-link{font-size:12px}}
@media(max-width:359px){.welcome h1{font-size:32px}.hero-actions{flex-direction:column}.hero-actions .btn{flex:auto;justify-content:center}.main-content{padding-left:13px;padding-right:13px}.topbar{padding:0 13px}.mobile-brand b{font-size:17px}.tools{gap:1px}.tools .icon-btn{min-width:35px}.language-btn{font-size:10px;padding:0 6px}.collection-art{padding:18px}.test-card{padding:19px}.card-korean{font-size:30px}.vocab-grid{grid-template-columns:1fr}.modal-actions{gap:7px}.modal-actions .btn{font-size:11px;padding:10px}.question-sheet{padding:16px 12px}.question-top h2{font-size:15px}.exam-bottom .btn{font-size:10px}.exam-bottom .btn svg{width:15px}.passage{padding:14px 12px}.grade-grid{grid-template-columns:1fr 1fr}.result-stats span{font-size:9px}.stats-row small{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important}}
@media print{.sidebar,.topbar,.mobile-nav,.footer,.btn,.text-btn,.tools,.filters,.exam-bottom{display:none!important}.shell{margin:0}.main-content{padding:10px}.panel,.question-sheet{box-shadow:none;break-inside:avoid}body{background:#fff;color:#111}}

/* Keep time and phase visible on a small screen; no content is hidden behind the bottom controls. */
.exam-toolbar{position:sticky;top:0;z-index:15;background:var(--bg);padding:12px 0;border-bottom:1px solid var(--line)}
.resume-actions{display:flex;gap:8px;flex-wrap:wrap}.resume-actions .btn{flex-shrink:0}
@media(max-width:680px){.resume-strip{flex-wrap:wrap}.resume-actions{width:100%}.resume-actions .btn{flex:1}.exam-layout{padding-bottom:30px}.question-sheet{scroll-margin-top:110px}.exam-toolbar{margin-top:-10px}}

/* v1.0.1 — distinct section sessions and 200-word vocabulary. */
.mobile-brand b{display:flex;flex-direction:column;line-height:1.15;font-size:17px;letter-spacing:.4px}.mobile-brand b small{font-size:8px;letter-spacing:2.7px;margin-top:4px}
.brand-mark{font-family:Georgia,serif}.saved-sessions{margin:0 0 25px}.saved-sessions h2{font-size:19px}.saved-session-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}.saved-session{display:flex;align-items:center;gap:12px;padding:13px 16px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--ink);font:inherit;text-align:left;cursor:pointer}.saved-session span{display:grid;gap:3px}.saved-session small{font-size:11px;color:var(--muted)}.saved-session>svg{color:var(--primary)}.switch-note{font-size:13px;line-height:1.7}
.vocab-topics{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0 20px}.vocab-topics .chip{font-size:12px;padding:8px 12px;min-height:40px}.vocab-summary{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;align-items:center}.vocab-summary b{font-size:14px}.vocab-summary span{font-size:12px;color:var(--muted)}.vocab-summary+.tiny{margin:10px 0 20px}.vocab-topic-label{display:block;font-size:10px;padding:15px 18px 0;color:var(--muted)}.word-flip{height:100%}.vocab-card{display:flex;flex-direction:column}.vocab-card .word-known{margin-top:auto}.vocab-word{overflow-wrap:anywhere;word-break:keep-all}.vocab-pagination{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:25px 0}.vocab-pagination>span{font-size:12px;white-space:nowrap}.vocab-pagination .btn{min-height:44px;font-size:12px}.vocab-pagination .btn:first-child svg{transform:rotate(180deg)}
@media(max-width:680px){.vocab-topics .chip{font-size:11px}.vocab-pagination .btn{font-size:11px;padding:10px;gap:5px}.vocab-pagination .btn svg{width:15px}.vocab-topic-label{padding:13px 15px 0;font-size:9px}.saved-session{flex:1;min-width:140px}.mobile-brand{gap:8px}.mobile-brand .brand-mark{width:30px;height:33px}.mobile-brand b{font-size:15px}}
@media(max-width:359px){.vocab-pagination{gap:5px;flex-wrap:wrap}.vocab-pagination>span{font-size:10px}.vocab-pagination .btn{font-size:10px;padding:9px}.mobile-brand b{font-size:13px}.mobile-brand b small{font-size:7px}.mobile-brand{gap:6px}}

.brand{font-size:20px;letter-spacing:1px;gap:10px;padding:0 4px}.brand>span:last-child{white-space:nowrap}.brand .brand-mark{width:40px;min-width:40px}.brand small{margin-top:0;line-height:1.5}