@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{--blue:#3182f6;--ink:#191f28;--muted:#78818e;--bg:#f7f8fa;--line:#edf0f3}*{box-sizing:border-box}body{margin:0;font-family:'Noto Sans KR',sans-serif;color:var(--ink);background:var(--bg);letter-spacing:-.45px}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select,summary{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0}button:disabled{cursor:default;opacity:.65}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #82b5ff;outline-offset:4px}header{height:82px;background:#fff;border-bottom:1px solid var(--line)}.nav{max-width:1140px;height:100%;margin:auto;display:flex;align-items:center;gap:72px}.logo{display:flex;align-items:center;gap:9px;font-size:21px;font-weight:900;letter-spacing:-1px}.brand{background:var(--blue);color:#fff;border-radius:12px;width:32px;height:34px;text-align:center;font-size:27px;line-height:33px;font-weight:900;transform:rotate(-7deg)}.beta{font-size:9px;color:var(--blue);letter-spacing:.8px;margin-left:2px;font-weight:800}nav{display:flex;gap:34px;height:100%;align-items:center}nav a{font-size:14px;color:#6b7684;font-weight:600;height:100%;display:flex;align-items:center;position:relative}nav a.active{color:var(--ink)}nav a.active:after{position:absolute;content:'';height:3px;background:var(--blue);bottom:0;left:0;right:0}.dot{width:5px;height:5px;background:var(--blue);border-radius:50%;margin:-10px 0 0 5px}.record-link{margin-left:auto;font-size:13px;font-weight:600}.record-link span{color:#8c95a0;margin-left:9px}main{max-width:1140px;margin:auto;min-height:600px;padding:34px 0 68px}.notice{display:flex;align-items:center;background:#edf4ff;padding:14px 20px;border-radius:12px;color:#4e6588;font-size:12px;gap:10px;margin-bottom:32px}.notice b{color:var(--blue)}.notice a{margin-left:auto;color:#54749e}.hero-grid{display:grid;grid-template-columns:1fr 290px;gap:24px}.hero{position:relative;background:#e9f2ff;border-radius:24px;min-height:336px;padding:36px 40px;overflow:hidden}.eyebrow{font-size:12px;letter-spacing:1px;font-weight:700;color:var(--blue);display:flex;align-items:center;gap:7px}.hero h1{font-size:36px;letter-spacing:-1.8px;line-height:1.45;margin:16px 0 11px;font-weight:800;position:relative;z-index:1}.hero p{font-size:13px;line-height:1.9;color:#65758a;margin:0 0 24px}.primary{background:var(--blue);color:white;border-radius:11px;padding:14px 22px;font-size:14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:28px}.primary:hover{background:#1b6ee4}.secondary{background:#eef2f6;color:#4e5968;padding:13px 20px;border-radius:10px;font-weight:600}.hero .meta{font-size:11px;color:#788aa2;margin-left:13px}.hero-art{position:absolute;right:44px;top:44px;width:195px;height:230px;transform:rotate(10deg)}.card-back{position:absolute;width:146px;height:186px;background:#c4d9fa;border:3px solid #fff8;border-radius:22px;top:21px;left:27px;transform:rotate(-23deg)}.q-card{position:absolute;width:152px;height:188px;border-radius:23px;background:linear-gradient(135deg,#fff,#eef5ff);box-shadow:9px 20px 30px #6b9de12b;top:21px;left:29px;display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:117px;font-weight:900;line-height:1}.spark{position:absolute;font-size:39px;color:#6cacf9;top:0;right:-7px}.orb{position:absolute;width:42px;height:42px;border-radius:50%;background:linear-gradient(130deg,#80b9ff,#c9e1ff);bottom:1px;left:2px;box-shadow:0 9px 18px #adcdfc}.daily-side{background:white;border:1px solid var(--line);border-radius:24px;padding:27px}.daily-side .hello{font-size:12px;color:var(--muted)}.daily-side h3{font-size:18px;line-height:1.6;margin:10px 0 21px}.week{display:flex;justify-content:space-between}.day{text-align:center;font-size:10px;color:#9aa2ad}.day i{display:block;width:26px;height:26px;background:#f2f4f7;border-radius:50%;margin-top:9px;font-style:normal;line-height:26px;color:#b1b9c4}.day.today i{border:1.5px solid #b3d1ff;color:var(--blue);background:#eff6ff}.day.done i{background:var(--blue);color:white}.daily-side 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.brand{width:23px;height:25px;line-height:24px;font-size:20px;border-radius:8px}footer p{font-size:10px;color:#a1a9b3;line-height:1.8}.footlinks{display:flex;gap:22px;font-size:10px;color:#8b95a1;align-items:flex-start;padding-top:7px}.footlinks span{color:#b1b8c1}.page-title{margin:16px 0 28px}.page-title h1{font-size:30px;margin:0 0 10px;letter-spacing:-1.2px}.page-title p{color:var(--muted);font-size:14px;line-height:1.8}.filters{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.chip{background:#fff;border:1px solid #e6eaf0;border-radius:24px;padding:10px 17px;font-size:12px;color:#6b7684}.chip.selected{background:var(--ink);border-color:var(--ink);color:#fff}.search{display:flex;gap:12px;margin-bottom:24px}.search input{flex:1;min-width:0;background:white;border:1px solid #e6eaf0;border-radius:12px;padding:15px 20px;font-size:14px}.search select{background:white;border:1px solid #e6eaf0;border-radius:12px;padding:0 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.num{background:#f2f4f7;color:#8b95a1;border-radius:6px;font-size:11px;padding:4px 8px}.option:hover:not(:disabled){border-color:var(--blue);background:#f5f9ff}.option.correct{background:#edf8f2;border-color:#5ec18b;color:#16844c;opacity:1}.option.wrong{background:#fff1f2;border-color:#ee9297;opacity:1;color:#d5525b}.feedback{margin:22px 0 0;background:#f5f8fc;border-radius:12px;padding:20px;font-size:13px;line-height:1.9;color:#596b81}.feedback b{display:block;color:#26384e;margin-bottom:5px}.quiz-actions{display:flex;gap:10px;margin-top:24px}.quiz-actions .primary{margin-left:auto}.empty{text-align:center;padding:64px 20px;background:#fff;border-radius:20px;color:#8b95a1;line-height:2}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:25px 0}.stat{border:1px solid var(--line);background:#fff;padding:26px;border-radius:18px}.stat small{color:#8b95a1;font-size:12px}.stat b{display:block;font-size:32px;margin-top:10px}.history-row{background:#fff;border-radius:12px;margin:10px 0;padding:20px;display:flex;justify-content:space-between;font-size:13px}.prose{max-width:780px;background:white;border-radius:20px;padding:32px;line-height:1.95;font-size:14px;color:#596779}.prose h2{font-size:19px;color:var(--ink)}.prose li{margin-bottom:10px}.prose code{font-size:12px;background:#f2f4f7;padding:2px 5px}.manage-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}.file-label{background:var(--blue);color:#fff;padding:13px 20px;border-radius:10px;font-size:13px;cursor:pointer}.file-label input{display:none}.manage-preview{overflow:auto;background:white;border-radius:14px}.manage-preview table{border-collapse:collapse;min-width:850px;width:100%;font-size:12px}.manage-preview th,.manage-preview td{padding:15px;text-align:left;border-bottom:1px solid #edf0f4}.manage-preview th{color:#8b95a1}.manage-preview select{padding:7px;border:1px solid #dde3eb;border-radius:6px}.info{padding:18px 22px;border-radius:12px;background:#edf4ff;color:#55739b;font-size:12px;line-height:1.9}.result{text-align:center}.result .big{font-size:70px;font-weight:900;color:var(--blue);margin:15px 0}.result p{color:#8b95a1;font-size:13px;line-height:1.9}.result h1{margin-bottom:0}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#273445;color:white;border-radius:12px;padding:14px 24px;font-size:13px;z-index:100;display:none;max-width:90vw}.error{color:#d5525b;font-size:13px}.review-note{font-size:10px;color:#91a0b3;margin-top:15px}.activity{display:flex;gap:4px;margin:18px 0}.activity i{width:20px;height:20px;background:#eaf0f7;border-radius:4px}.activity i.on{background:var(--blue)}@media(min-width:1500px){main{padding-top:42px}.hero{min-height:355px}.hero-art{top:55px}}@media(max-width:1200px){.nav,main,footer{margin-left:28px;margin-right:28px}.hero-art{right:25px;opacity:.9}.hero h1{font-size:32px}.hero{padding:32px}}@media(max-width:950px){.hero-grid{grid-template-columns:1fr 250px}.hero-art{right:-28px;opacity:.4;transform:scale(.85) rotate(10deg)}.hero p,.hero .primary{position:relative;z-index:1}.hero .meta{display:none}.categories{grid-template-columns:repeat(2,1fr)}.lower-grid{grid-template-columns:1fr 300px}.nav{gap:40px}.pack-grid{grid-template-columns:repeat(2,1fr)}.footlinks{gap:13px;flex-wrap:wrap;justify-content:flex-end;max-width:290px}}@media(max-width:680px){header{height:70px}.nav,main,footer{margin-left:20px;margin-right:20px}.nav{gap:18px}.logo{font-size:18px}.beta{display:none}nav{gap:17px;margin-left:auto}nav a{font-size:12px}.record-link{display:none}main{padding-top:20px}.notice{font-size:10px;padding:12px;gap:6px;margin-bottom:22px}.notice a{font-size:0}.notice a:after{content:'›';font-size:18px}.hero-grid{grid-template-columns:1fr;gap:16px}.hero{padding:28px;min-height:315px}.hero h1{font-size:30px}.hero-art{right:0;top:50px;opacity:.5}.hero p{font-size:12px}.daily-side{padding:20px;display:none}.section{margin-top:30px}.section-heading h2{font-size:19px}.categories{gap:10px}.category{padding:15px;gap:10px}.cat-icon{width:39px;height:39px;border-radius:12px;font-size:23px}.category b{font-size:12px}.chevron{display:none}.category small{font-size:9px}.lower-grid{grid-template-columns:1fr;gap:28px;margin-top:29px}.ad{margin:24px 0}.mini-banner{padding:20px}.mini-banner a{font-size:0}.mini-banner a:after{content:'›';font-size:20px}.pack-grid{grid-template-columns:1fr}.page-title h1{font-size:26px}.quiz-card{padding:24px}.quiz-card h1{font-size:21px}.stats{gap:8px}.stat{padding:16px}.stat b{font-size:24px}.stat small{font-size:10px}.prose{padding:22px}.search select{max-width:100px;font-size:12px}footer{display:block}.footlinks{max-width:none;justify-content:flex-start;margin-top:22px;font-size:9px}.primary{gap:15px}.quiz-actions{flex-wrap:wrap}.hero .meta{display:none}}

.count-control{position:relative;z-index:2;margin:18px 0 20px;max-width:390px}.count-control label{font-size:11px;font-weight:700;display:block;margin-bottom:9px;color:#51667f}.count-row{display:flex;align-items:center;gap:10px}.count-row input{width:80px;border:1px solid #c9dbf5;border-radius:9px;background:white;padding:10px 12px;color:#246bd0;font-weight:800;font-size:19px}.count-row>span{font-size:12px;color:#69809c}.count-presets{display:flex;gap:5px;margin-left:8px}.count-presets button{padding:8px 11px;background:#ffffffb8;color:#5377a7;border:1px solid #d4e3f7;border-radius:8px;font-size:11px}.count-presets button.chosen{background:#3182f6;color:white}.count-control>small{display:block;font-size:10px;color:#8a9db5;margin-top:9px}.hero{min-height:430px}.hero-art{top:100px;right:35px}.pace-row{display:flex;gap:13px;align-items:center;margin:22px 0}.pace-row>span{font-size:11px;font-weight:800;color:#a7c9f7;background:#eff5fe;padding:8px;border-radius:8px}.pace-row b{font-size:12px;display:block}.pace-row small{font-size:10px;color:#9aa4b1;display:block;margin-top:5px}.daily-side>a{margin-top:25px}.explore-count{padding:6px 24px;background:#edf4ff;border-radius:16px;margin-bottom:24px}.explore-count .count-control{max-width:none}.hero h1{font-size:34px}.hero p{max-width:400px}.hero .primary{position:relative;z-index:2}@media(max-width:950px){.hero-art{right:-20px;opacity:.35}.hero{min-height:435px}}@media(max-width:680px){.hero{min-height:432px}.hero-art{right:-25px;top:75px;opacity:.25}.hero h1{font-size:29px}.count-presets{margin-left:0}.count-presets button{padding:8px 9px}.count-row{gap:8px}.count-row input{width:72px}.explore-count{padding:6px 18px}}

.back-link{font-size:12px;color:#8592a3;display:inline-block;margin:10px 0 8px}.stage-overview{background:#eaf3ff;border-radius:20px;padding:24px;display:flex;align-items:center;gap:18px;position:relative;margin-bottom:28px;flex-wrap:wrap}.stage-overview b{font-size:17px}.stage-overview p{font-size:12px;color:#72859f;margin:7px 0 0}.stage-track{height:5px;background:#d7e5f8;border-radius:5px;width:100%;overflow:hidden;margin-top:10px}.stage-track i{display:block;height:100%;background:#3182f6}.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.stage-card{background:white;border:1px solid #e7ecf3;border-radius:20px;padding:26px}.stage-card-top{display:flex;align-items:center;justify-content:space-between}.stage-number{font-size:32px;font-weight:900;letter-spacing:-2px;color:#c5dafa}.stage-status{font-size:11px;color:#8795a8;background:#f3f6fa;border-radius:7px;padding:6px 10px}.stage-card h2{font-size:22px;margin:20px 0 8px}.stage-card p{font-size:12px;color:#8995a5}.stage-card small{font-size:11px;color:#9ba6b4;display:block;margin-top:20px}.stage-card button{width:100%;margin-top:22px}.stage-complete{border-color:#b7d4fb}.stage-complete .stage-status{background:#ecf6ef;color:#2b8d54}.stage-complete .stage-number{color:#75aef5}.mixed-panel{background:#eaf3ff;padding:30px;border-radius:20px}.mixed-panel h2{font-size:23px;letter-spacing:-.8px}.mixed-panel>p{font-size:13px;color:#7b8da6}.mixed-panel .search{max-width:700px;margin-top:23px}.record-stages .history-row{width:100%;text-align:left;border:1px solid #edf0f4;color:#596c85}.record-stages .history-row b{font-size:11px;color:#3182f6}@media(max-width:900px){.stage-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.stage-grid{grid-template-columns:1fr}.stage-overview{padding:20px;gap:12px}.stage-overview p{font-size:10px}.mixed-panel{padding:24px}.mixed-panel h2{font-size:20px}.stage-card{padding:24px}.stage-card-top .stage-number{font-size:29px}}

.mode-guide{display:flex;align-items:center;gap:15px;padding:18px 22px;background:#edf4ff;color:#6782a6;border-radius:13px;font-size:12px;margin-bottom:25px}.mode-guide span{font-weight:600}.mode-guide i{font-style:normal;color:#aec8eb}.saved-note{font-size:11px;color:#95a1b2;margin-top:21px}.stage-overview .cat-icon{flex-shrink:0}a.logo:focus-visible{outline-offset:7px}@media(max-width:680px){.nav{gap:15px}.nav>.logo{font-size:16px;gap:7px}.nav>.logo .brand{width:27px;height:29px;line-height:28px;font-size:23px}nav{gap:14px}nav a{font-size:11px}.record-link{display:flex;font-size:10px;white-space:nowrap;margin-left:0}.record-link span{display:none}.mode-guide{font-size:10px;gap:10px;padding:16px}.mode-guide i{font-size:10px}}@media(max-width:390px){.nav,main,footer{margin-left:14px;margin-right:14px}.nav{gap:10px}nav{gap:10px}.nav>.logo{font-size:14px}.record-link{font-size:9px}}