:root{color-scheme:dark;--bg:#0d101b;--panel:#151a29;--line:#282e41;--muted:#919bb3;--ink:#f0f3fd;--mint:#8aefca;--violet:#a79bfa}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Pretendard,'Malgun Gothic',sans-serif;font-size:14px;line-height:1.5}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--mint);outline-offset:4px}.app-shell{max-width:1600px;margin:auto;display:grid;grid-template-columns:216px minmax(0,1fr)}.sidebar{border-right:1px solid var(--line);padding:35px 21px 22px;display:flex;flex-direction:column;background:#101320}.brand{display:flex;gap:11px;align-items:center;font-size:17px;font-weight:900;letter-spacing:.6px}.brand-mark{display:grid;place-items:center;width:38px;height:40px;background:var(--mint);color:#142d29;border-radius:12px;font-size:29px;position:relative;font-weight:950}.brand-mark>span{position:absolute;font-size:15px;right:1px;bottom:1px}.brand-light{font-weight:400;color:#a8b3c8}.brand small{display:block;font-size:10px;font-weight:500;color:var(--muted);letter-spacing:2px;margin-top:2px}.nav-caption{font-size:9px;letter-spacing:1.8px;color:#717b96;margin:48px 10px 14px}.nav-item{display:flex;gap:12px;align-items:center;padding:13px 14px;margin:7px 0;border:1px solid transparent;border-radius:10px;color:#a3adc2;font-weight:600;font-size:13px}.nav-item>span:first-child{font-size:20px;font-weight:400;color:#818da7}.nav-item.selected{color:var(--mint);background:#1b3232;border-color:#2b4a45}.nav-item.selected>span:first-child{color:var(--mint)}.nav-arrow{margin-left:auto}.nav-item:hover{background:#202639}.side-bottom{margin-top:auto;padding-top:90px}.companion{height:143px;position:relative;text-align:center}.companion img{height:155px;width:155px;object-fit:contain;border-radius:18px}.online-dot{width:9px;height:9px;background:var(--mint);border:2px solid #101320;border-radius:50%;position:absolute;bottom:13px;right:30px}.side-note{text-align:center}.side-note b{font-size:12px}.side-note p{font-size:10px;color:var(--muted);margin-top:5px}.elementary{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:22px;margin-top:30px;font-size:11px;color:var(--muted)}.preview-label{font-size:8px;letter-spacing:1.4px;color:#737f9a;margin-top:28px}.main-shell{min-width:0}.topbar{height:82px;padding:0 36px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.breadcrumb{font-size:12px;color:var(--muted)}.breadcrumb span{margin:0 12px;color:#4a536a}.breadcrumb b{color:#dce2f1;font-weight:500}.top-actions{display:flex;gap:23px;align-items:center}.status{font-size:10px;letter-spacing:.4px;color:#acb6cc}.status i{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--mint);margin-right:7px}.login{font-size:12px;background:#202638;border:1px solid #343c52;padding:9px 15px;border-radius:8px}.login span{padding-left:16px;color:var(--mint)}main{padding:27px 36px 0}.hero{min-height:338px;border:1px solid #35405a;border-radius:20px;position:relative;overflow:hidden;background:#111d32 url('quest/island.png') center center/cover no-repeat}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,22,39,.94),rgba(13,22,39,.70) 34%,rgba(13,22,39,.06) 72%)}.hero-copy{padding:32px 35px;position:relative;z-index:1;max-width:550px}.eyebrow{font-size:9px;letter-spacing:2.2px;color:#a7e8dc}.tiny-diamond{margin-right:7px;font-size:9px}.hero h1{font-size:43px;letter-spacing:-1.8px;line-height:1.2;margin:19px 0 13px;font-weight:800}.hero em{color:var(--mint);font-style:normal}.hero p{font-size:12px;line-height:1.8;color:#b3c1d2;margin:0}.cta{display:inline-flex;align-items:center;gap:34px;color:#122d2a;background:var(--mint);box-shadow:0 0 30px #7aefc522;border:1px solid #b4f7df;padding:11px 17px;border-radius:8px;font-size:12px;font-weight:800;margin-top:22px}.cta:hover{background:#b5ffe1}.hero-features{display:flex;gap:16px;font-size:9px;color:#9fb3c9;margin-top:19px}.location-tag{position:absolute;right:22px;bottom:21px;padding:9px 12px;background:#132135aa;border:1px solid #ffffff24;backdrop-filter:blur(12px);border-radius:8px;font-size:9px;letter-spacing:1.4px;color:#c4ede2}.location-tag small{display:block;font-size:7px;color:#92a6bc;margin:3px 0 0 12px}.location-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--mint);margin-right:6px}.section-heading{display:flex;justify-content:space-between;gap:18px;align-items:flex-end;margin:27px 0 14px}.section-kicker{font-size:8px;letter-spacing:1.8px;color:#8b95ad}.section-heading h2{font-size:19px;font-weight:700;letter-spacing:-.5px;margin:4px 0 0}.subtle{font-size:10px;color:var(--muted)}.world-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.world{isolation:isolate;position:relative;overflow:hidden;min-height:154px;text-align:left;color:var(--ink);background:linear-gradient(130deg,#1a2930,#172332);border:1px solid #34464d;border-radius:13px;padding:20px;transition:transform .18s,border-color .18s}.world-8{background:linear-gradient(130deg,#23223e,#1d2238);border-color:#393952}.world-9{background:linear-gradient(130deg,#322537,#242338);border-color:#4b394c}.world:hover{transform:translateY(-3px)}.world[aria-pressed=true]{border-color:var(--mint);box-shadow:0 0 0 1px #8aefca17,inset 0 0 28px #8aefca08}.world-copy{position:relative;z-index:2;display:flex;flex-direction:column}.world-label{font-size:8px;letter-spacing:1.7px;color:#8ad8c1}.world-8 .world-label{color:#b4acf7}.world-9 .world-label{color:#eab4ce}.world strong{font-size:20px;margin:8px 0 1px;letter-spacing:-.7px}.world-description{font-size:10px;color:#a6b1c4}.world-meta{font-size:9px;color:#a7b6c5;margin-top:16px}.world-meta>span{margin:0 5px;opacity:.5}.world-number{position:absolute;right:14px;top:14px;font-size:67px;line-height:1;font-weight:900;letter-spacing:-7px;color:#9aeadb13;z-index:0}.world-8 .world-number{color:#bda6ff15}.world-9 .world-number{color:#f5abd915}.world-orbit{position:absolute;width:120px;height:120px;right:-22px;bottom:-48px;border-radius:50%;border:1px solid #b0e2d520;box-shadow:0 0 0 13px #b0e2d505,0 0 0 28px #b0e2d504;transform:rotate(-25deg) scaleY(.6)}.world-check{position:absolute;right:17px;bottom:17px;color:#94a1b8;font-size:16px}.world[aria-pressed=true] .world-check{color:var(--mint)}.search{display:flex;align-items:center;background:#161b2a;border:1px solid #2c3448;border-radius:8px;padding:7px 11px;gap:8px}.search>span{font-size:23px;line-height:1;color:#929bb2}.search input{background:transparent;border:none;width:156px;font-size:11px;color:var(--ink);padding:3px}.search input::placeholder{color:#8590a9}.search kbd{border:1px solid #333c50;padding:0 5px;border-radius:3px;font-size:10px;color:#74819c}.mission-layout{display:grid;grid-template-columns:172px minmax(0,1fr);gap:23px;border-top:1px solid var(--line);padding-top:17px}.chapter-nav{display:flex;flex-direction:column;gap:5px}.chapter-nav button{background:transparent;border:1px solid transparent;text-align:left;color:#939eb6;font-size:11px;padding:10px 9px;display:flex;gap:9px;border-radius:8px;align-items:center}.chapter-nav button span{color:#6e7c99;font-size:9px}.chapter-nav button[aria-pressed=true]{color:#d9e6f9;background:#222a40;border-color:#35415b}.chapter-nav button[aria-pressed=true] span{color:var(--mint)}.mission-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 13px}.mission-title h3{font-size:15px;margin:2px 0}.mission-title>div>span{font-size:8px;color:var(--mint);letter-spacing:1.4px}.mission-title>span{font-size:10px;color:var(--muted)}.mission-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.mission-card{background:linear-gradient(120deg,#1b2234,#171c2b);border:1px solid #31394f;border-radius:11px;padding:16px;transition:border-color .15s,transform .15s;display:flex;flex-direction:column}.mission-card:hover{border-color:#8aefca99;transform:translateY(-2px)}.mission-card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:11px}.mission-icon{font:italic 24px Georgia,serif;color:#b2b9fc;background:#2b304e;border:1px solid #464c7133;width:42px;height:42px;display:grid;place-items:center;border-radius:11px}.mission-card:nth-child(2n) .mission-icon{color:#9fddca;background:#223e3f}.mission-tag{font-size:8px;color:#a8b5ca;border:1px solid #354057;border-radius:4px;padding:3px 6px}.mission-card h4{font-size:13px;margin:0 0 5px;font-weight:650;letter-spacing:-.2px}.mission-card p{font-size:10px;color:#9ba8c0;line-height:1.7;margin:0;flex:1}.mission-card-bottom{border-top:1px solid #30384b;margin-top:13px;padding-top:10px;display:flex;justify-content:space-between;font-size:9px;color:#8190aa}.mission-card-bottom b{color:#bfdfd7;font-weight:500}.record-banner{display:flex;align-items:center;gap:17px;border:1px solid #34384e;border-radius:11px;background:linear-gradient(100deg,#242439,#1a2031);padding:18px 21px;margin:26px 0 24px}.record-symbol{font-size:28px;color:#c0b5ff;text-shadow:0 0 20px #9a8ce977}.record-banner h3{font-size:12px;margin:0 0 3px}.record-banner p{font-size:10px;color:var(--muted);margin:0}.record-banner a{margin-left:auto;font-size:10px;white-space:nowrap;color:#cdc6f5}.record-banner a span{padding-left:14px}footer{display:flex;justify-content:space-between;gap:20px;padding:0 0 23px;font-size:8px;color:#738099;letter-spacing:.3px}footer>span:first-child{letter-spacing:1px;font-weight:700}.footer-muted{font-weight:400;letter-spacing:0;margin-left:4px}[hidden]{display:none!important}#empty{padding:25px 0;color:var(--muted);font-size:13px}#worlds{scroll-margin-top:20px}@media(min-width:1400px){.hero{min-height:365px}.hero-copy{padding:38px 42px}.hero h1{font-size:48px}.mission-list{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:1100px){.app-shell{grid-template-columns:180px minmax(0,1fr)}.sidebar{padding:29px 14px}.brand{font-size:14px}.brand-mark{width:32px;height:36px}.topbar{padding:0 24px}main{padding:23px 24px 0}.mission-layout{grid-template-columns:145px minmax(0,1fr);gap:16px}.world{padding:16px}.world-description{font-size:9px}.hero h1{font-size:38px}}@media(max-width:820px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.topbar{height:64px}.hero{min-height:330px}.mission-layout{grid-template-columns:145px minmax(0,1fr)}.hero-shade{background:linear-gradient(90deg,#0d1627ed,#0d16279c 52%,#0d162722)}.location-tag{display:none}}@media(max-width:580px){main{padding:15px 16px 0}.topbar{padding:0 16px}.status{display:none}.hero-copy{padding:26px 23px}.hero h1{font-size:35px}.hero{background-position:60% center;min-height:330px}.hero-features{gap:10px;font-size:8px}.world-grid{gap:8px}.world{min-height:131px;padding:12px 10px}.world strong{font-size:15px}.world-description{display:none}.world-label{font-size:7px;letter-spacing:.8px}.world-meta{font-size:8px;max-width:62px}.world-number{font-size:49px;right:10px}.world-check{right:10px;bottom:12px}.section-heading{align-items:flex-start;flex-direction:column;gap:8px}.section-heading h2{font-size:18px}.mission-heading{gap:13px}.search{width:100%}.search input{width:100%;flex:1;min-width:0;font-size:16px}.mission-layout{grid-template-columns:1fr;gap:17px}.chapter-nav{flex-direction:row;flex-wrap:wrap;gap:3px}.chapter-nav button{padding:8px;font-size:10px}.mission-list{gap:9px}.mission-card{padding:12px}.mission-card h4{font-size:12px}.record-banner{flex-wrap:wrap;gap:12px}.record-banner a{margin-left:40px}footer{font-size:7px}.mission-tag{font-size:7px}.subtle{font-size:9px}}@media(max-width:360px){.mission-list{grid-template-columns:1fr}.hero-copy{padding:23px 19px}.hero h1{font-size:32px}.world strong{font-size:13px}.world-meta{font-size:7px}.hero-features{flex-wrap:wrap}.breadcrumb{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.side-bottom{margin-top:42px;padding-top:0}.mobile-links{display:none}@media(max-width:820px){.mobile-links{display:flex;gap:8px;margin:0 0 15px}.mobile-links a{flex:1;text-align:center;border:1px solid var(--line);border-radius:8px;padding:10px 4px;font-size:11px;color:#aebad1;background:var(--panel)}}

:root{color-scheme:light;--bg:#fff;--panel:#f7f9fa;--line:#e7ebee;--muted:#6c7885;--ink:#24343b;--mint:#21816e;--violet:#7776ad}
.grade-short{display:none}@media(max-width:620px){.grade-full{display:none}.grade-short{display:inline}}
body{background:#fff;font-size:14px;line-height:1.6}.app-shell{grid-template-columns:218px minmax(0,1fr);min-height:100vh}.sidebar{background:#fafbfc;padding:31px 20px}.brand{font-size:16px;letter-spacing:.2px}.brand-mark{background:#dceee7;color:#226651}.brand-light{color:#758087}.brand small{font-size:11px;color:#6c7885;letter-spacing:.5px}.nav-caption{font-size:12px;color:#7b858e;margin:40px 13px 12px;letter-spacing:0}.nav-item{padding:12px 13px;margin:5px 0;color:#65717a;font-weight:550;font-size:14px;min-height:47px}.nav-item>span:first-child{color:#7b8a91;width:20px;text-align:center}.nav-item.selected{color:#236957;background:#e9f3ee;border-color:transparent;font-weight:700}.nav-item.selected>span:first-child{color:#2b7967}.nav-item:hover{background:#eef2f3}.side-bottom{margin-top:48px;padding:0 8px}.companion{height:82px;display:flex;align-items:center;justify-content:center}.companion img{width:72px;height:72px;object-fit:cover;border-radius:50%;border:4px solid #e7eeec}.online-dot{width:10px;height:10px;background:#3c9c7e;border:2px solid #fafbfc;bottom:8px;left:calc(50% + 21px);right:auto}.side-note b{font-size:13px;font-weight:600}.side-note p{font-size:11px}.elementary{font-size:12px;padding-top:20px;margin-top:29px}.preview-label{font-size:8px;letter-spacing:.7px;color:#7e8991}.topbar{height:77px;padding:0 40px;background:#fff}.breadcrumb{font-size:13px}.breadcrumb span{color:#b5bcc0}.breadcrumb b{font-weight:600;color:#34414a}.status{font-size:12px;color:#758087;letter-spacing:0}.status i{background:#4f9d84}.login{font-size:13px;background:#fff;border-color:#dce3e5;padding:8px 15px;min-height:40px}.login:hover{background:#f4f8f6}.login span{color:#628376}main{padding:30px 40px 0}
.hero{min-height:287px;background:#f0f6f3;border:1px solid #e6eee9;border-radius:16px}.hero-copy{padding:28px 32px;max-width:62%;pointer-events:none}.hero-copy a{pointer-events:auto}.eyebrow{font-size:12px;font-weight:600;color:#4d806e;letter-spacing:.1px}.hero h1{font-size:34px;letter-spacing:-1.4px;line-height:1.3;margin:12px 0 10px;font-weight:750}.hero em{color:#277b65}.hero p{font-size:13px;line-height:1.8;color:#63766c}.cta{color:white;background:#287b64;border:1px solid #287b64;padding:10px 15px;font-size:13px;font-weight:650;margin-top:19px;min-height:43px;gap:22px;box-shadow:none}.cta:hover{background:#1c624f}.hero-features{gap:13px;font-size:11px;color:#637d70;margin-top:15px}.hero-art{position:absolute;right:22px;top:22px;bottom:22px;width:35%;border-radius:12px;background:#17243a url('quest/island.png') 79% center/auto 100% no-repeat;box-shadow:0 6px 20px #233e4512}.location-tag{right:37px;bottom:36px;padding:8px 11px;background:#1c2d42b8;font-size:10px;letter-spacing:1px;color:#e2eee8}.location-tag small{font-size:8px;color:#b6ccc8}.location-dot{background:#9edcbf}
.section-heading{margin:28px 0 14px}.section-kicker{font-size:12px;font-weight:600;color:#678074;letter-spacing:.2px}.section-heading h2{font-size:21px;letter-spacing:-.6px;margin:3px 0 0}.subtle{font-size:12px;color:#7b858d}.world-grid{gap:12px}.world,.world-8,.world-9{min-height:120px;background:#fff;border:1px solid #dde4e6;border-radius:11px;padding:16px 20px}.world:hover{transform:none;border-color:#89b6a5;background:#fbfdfc}.world[aria-pressed=true]{border-color:#448e75;background:#f3f9f5;box-shadow:inset 0 0 0 1px #448e75}.world-label,.world-8 .world-label,.world-9 .world-label{font-size:11px;color:#7b8789;letter-spacing:0;order:1;margin-top:1px}.world strong{font-size:20px;letter-spacing:-.5px;line-height:1.4;order:0;margin:0}.world-description,.world-number,.world-orbit{display:none}.world-meta{font-size:12px;color:#73817e;order:2;margin-top:9px}.world-meta>span{margin:0 5px;color:#b0bab6}.world-check{right:17px;top:18px;bottom:auto;width:19px;height:19px;border:1px solid #d5dedb;border-radius:50%;font-size:12px;display:grid;place-items:center}.world[aria-pressed=true] .world-check{color:white;background:#3c8b70;border-color:#3c8b70}
.search{background:#fff;border-color:#dce3e6;border-radius:9px;padding:9px 12px;min-height:44px}.search:focus-within{border-color:#418d75}.search>span{color:#75888b}.search input{width:214px;font-size:13px}.search input::placeholder{color:#839096}.search kbd{border-color:#e3e8ea;color:#8a969b;font-size:11px}.mission-layout{grid-template-columns:180px minmax(0,1fr);gap:26px;padding-top:21px}.chapter-nav{align-self:start}.chapter-nav button{border:none;color:#64737b;font-size:13px;padding:12px 11px;gap:10px;min-height:44px;line-height:1.45}.chapter-nav button:hover{background:#f5f8f7}.chapter-nav button span{color:#8d9a9f;font-size:11px}.chapter-nav button[aria-pressed=true]{color:#2e725e;background:#edf5f0;font-weight:650}.chapter-nav button[aria-pressed=true] span{color:#2e725e}.mission-title{margin:1px 0 15px}.mission-title h3{font-size:18px;font-weight:700;letter-spacing:-.3px}.mission-title>div>span{font-size:11px;color:#83908b;letter-spacing:0}.mission-title>span{font-size:12px;color:#7d888c}.mission-list{gap:12px}.mission-card{background:#fff;border-color:#e1e7e9;padding:19px}.mission-card:hover{border-color:#76ab98;box-shadow:0 4px 16px #203c300a;transform:none}.mission-card-top{margin-bottom:14px}.mission-icon{color:#538270;background:#edf5f0;border:none}.mission-card:nth-child(2n) .mission-icon{color:#7b75a5;background:#f2f0f8}.mission-tag{font-size:11px;color:#8a9599;border:none;padding:0}.mission-card h4{font-size:15px;margin:0 0 6px;font-weight:650;line-height:1.5}.mission-card p{font-size:12px;color:#78858b}.mission-card-bottom{border-color:#eef1f2;margin-top:17px;padding-top:12px;font-size:11px;color:#889399;gap:8px}.mission-card-bottom b{color:#3b7d65;font-weight:650;white-space:nowrap}.record-banner{border-color:#e8edef;background:#f8fafb;padding:21px 23px;margin:30px 0 26px}.record-symbol{font-size:27px;color:#859ab3;text-shadow:none}.record-banner h3{font-size:14px;font-weight:650}.record-banner p{font-size:12px}.record-banner a{font-size:12px;color:#516d7c}footer{font-size:10px;color:#8b969c;letter-spacing:.1px}.footer-muted{margin-left:4px}#empty{font-size:14px}.mobile-links a{background:#fff;color:#61727b}
@media(min-width:1450px){.hero-copy{padding:34px 37px}.hero h1{font-size:39px}.hero-art{width:38%}.hero{min-height:316px}}
@media(max-width:1150px){.app-shell{grid-template-columns:184px minmax(0,1fr)}.sidebar{padding:29px 13px}.brand{font-size:14px}.brand-mark{width:32px;height:36px}.nav-item{font-size:13px;padding:11px 10px}.topbar{padding:0 27px}.status{display:none}main{padding:24px 27px 0}.hero-copy{padding:24px}.hero h1{font-size:31px}.hero p{font-size:12px}.hero-features{font-size:10px;gap:9px}.mission-layout{grid-template-columns:150px minmax(0,1fr);gap:18px}.world{padding:16px}.world strong{font-size:18px}.search input{width:182px}.mission-card{padding:16px}.mission-card-bottom{flex-wrap:wrap}}
@media(max-width:900px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.topbar{height:65px}.mobile-links{display:flex;gap:7px;margin:0 0 19px}.mobile-links a{border:1px solid var(--line);border-radius:7px;padding:8px 14px;font-size:12px;color:#61727b}.hero{min-height:287px}.hero-copy{padding:26px}.hero h1{font-size:34px}.hero p{font-size:13px}.hero-features{font-size:11px}}
@media(max-width:620px){main{padding:19px 18px 0}.topbar{padding:0 18px}.breadcrumb{font-size:12px}.breadcrumb span{margin:0 7px}.hero{min-height:0}.hero-art,.location-tag{display:none}.hero-copy{max-width:100%;padding:25px}.hero h1{font-size:32px}.hero p{font-size:13px}.hero-features{flex-wrap:wrap;gap:12px;font-size:11px}.eyebrow{font-size:11px}.world-grid{gap:8px}.world{min-height:121px;padding:12px 10px}.world strong{font-size:15px;max-width:60px;line-height:1.45}.world-label{font-size:10px;margin-top:4px}.world-meta{font-size:10px;margin-top:7px;max-width:none}.world-meta>span{margin:0 1px}.world-check{right:9px;top:14px;width:16px;height:16px;font-size:10px}.section-heading{align-items:flex-start;flex-direction:column;gap:5px;margin-top:25px}.section-heading h2{font-size:20px}.section-kicker{font-size:11px}.subtle{font-size:11px}.mission-heading{gap:14px}.search{width:100%}.search input{width:100%;flex:1;min-width:0;font-size:16px}.search kbd{display:none}.mission-layout{grid-template-columns:1fr;gap:17px;padding-top:13px}.chapter-nav{flex-direction:row;flex-wrap:wrap;gap:5px}.chapter-nav button{padding:9px 10px;font-size:12px;min-height:40px;background:#f7f9f8;gap:5px}.chapter-nav button span{display:none}.mission-list{grid-template-columns:1fr}.mission-card{position:relative;padding:17px 17px 15px 76px;min-height:127px}.mission-card-top{margin-bottom:3px}.mission-icon{position:absolute;left:17px;top:19px;width:43px;height:43px}.mission-tag{font-size:10px}.mission-card h4{font-size:15px}.mission-card p{font-size:12px}.mission-card-bottom{margin-top:11px;padding-top:10px}.record-banner{padding:18px;flex-wrap:wrap;gap:10px}.record-banner h3{font-size:13px}.record-banner p{font-size:11px}.record-banner a{margin-left:37px}.record-symbol{font-size:23px}footer{flex-direction:column;gap:4px;font-size:10px}.mobile-links a{flex:1;padding:9px 5px;text-align:center;font-size:12px}}

/* A quiet canvas, a distinct feature area, and clear active states. */
body{background:#f1f4f3}.app-shell{background:#f1f4f3}.sidebar{background:#e8eeeb;border-color:#d8e2dc}.topbar{background:#f8faf9;border-color:#dfe7e2}.brand-mark{background:#28735c;color:#fff}.nav-item.selected{background:#d4e4da;color:#235d49}.nav-item:hover{background:#dfe9e3}.side-bottom{border-top:1px solid #d2ddd5;padding-top:23px}.elementary{border-color:#d2ddd5}.online-dot{border-color:#e8eeeb}
.hero{background:#244f42;border-color:#244f42;box-shadow:0 8px 24px #1c493c0b}.hero h1{color:#fff}.hero em{color:#d6e8a9}.eyebrow{color:#c0d7c8}.hero p{color:#d1dfd6}.hero-features{color:#bdd2c4}.hero .cta{background:#e2ecbe;border-color:#e2ecbe;color:#294633;box-shadow:0 3px 10px #16382b18}.hero .cta:hover{background:#eef5d7}.hero-art{border:1px solid #ffffff25;box-shadow:none}.location-tag{background:#1e392fbf}
.world{background:#fafcfb;border-color:#d7e1da}.world:hover{background:#eaf2ec;border-color:#89a898}.world[aria-pressed=true]{background:#316d56;border-color:#316d56;box-shadow:0 4px 12px #245c4014;color:#fff}.world[aria-pressed=true] .world-label,.world[aria-pressed=true] .world-meta{color:#d5e5db}.world[aria-pressed=true] .world-meta>span{color:#a8c5b5}.world[aria-pressed=true] .world-check{background:#e3edbf;border-color:#e3edbf;color:#31563c}.world-check{background:#f3f6f4}.section-kicker{color:#5b7865}.subtle{color:#6e7e74}
.mission-layout{background:#fff;border:1px solid #dfe6e1;border-radius:14px;padding:23px;gap:25px}.chapter-nav{padding-right:17px;border-right:1px solid #e6ece7;align-self:stretch}.chapter-nav button{color:#6b7b71}.chapter-nav button[aria-pressed=true]{background:#e2eee5;color:#2e624b;box-shadow:inset 3px 0 #498166}.mission-card{background:#fafcfb;border-color:#e0e7e2}.mission-card:hover{background:#f3f8f4;border-color:#8ab49c;box-shadow:none}.mission-icon{background:#e2eee6;color:#477c5d}.mission-card:nth-child(2n) .mission-icon{background:#eeeaf3;color:#827397}.mission-card-bottom{border-color:#e2e9e3}.mission-card-bottom b{color:#326c50}.search{background:#f9fbfa;border-color:#d5dfd8}.record-banner{background:#e5ebe6;border-color:#d9e2da}.record-symbol{color:#72907a}.record-banner a{color:#42654c}.record-banner p{color:#6a7c6d}footer{color:#7b8a80}
@media(max-width:1150px){.mission-layout{padding:19px;gap:18px}.chapter-nav{padding-right:12px}}
@media(max-width:620px){.mission-layout{padding:16px;gap:19px}.chapter-nav{border-right:0;border-bottom:1px solid #e2e9e3;padding:0 0 14px}.chapter-nav button{background:#eef3ef}.chapter-nav button[aria-pressed=true]{background:#316d56;color:#fff;box-shadow:none}.mission-card{background:#f7faf8;padding-left:70px}.mission-card-bottom{font-size:10px}.mission-icon{left:14px;width:39px;height:39px}.hero-copy{padding:25px}.mobile-links a{background:#e6ede8;border-color:#d9e3dc;color:#466453}.world-8,.world-9{background:#fafcfb}.world[aria-pressed=true]{background:#316d56}}

body,.app-shell,.main-shell,main{background:#fff}.sidebar{background:#f6f8f7;border-color:#e4eae6}.topbar{background:#fff}.side-bottom{border-color:#e1e8e3}.hero{box-shadow:none}.world-grid{gap:16px}.world,.world-8,.world-9{padding:0;overflow:hidden;background:#fff;border:1px solid #e2e8e4;border-radius:14px;min-height:0}.world:hover{background:#fff;border-color:#97b8a5;box-shadow:0 6px 20px #2149360a}.world[aria-pressed=true]{background:#fff;color:#243e31;border-color:#397b5a;box-shadow:inset 0 -3px #397b5a}.world-art{display:block;width:100%;height:143px;object-fit:contain;background:#fff;margin:0 auto}.world-copy{padding:2px 20px 18px}.world strong{font-size:19px}.world-label,.world[aria-pressed=true] .world-label{color:#69816f;font-size:12px}.world-meta,.world[aria-pressed=true] .world-meta{color:#78857c;font-size:11px;margin-top:7px}.world[aria-pressed=true] .world-meta>span{color:#9bb0a1}.world-check{top:14px;right:14px;background:#fff;width:21px;height:21px}.world[aria-pressed=true] .world-check{color:#fff;background:#397b5a;border-color:#397b5a}.mission-layout{border:0;border-top:1px solid #e3eae5;border-radius:0;padding:22px 0 0;background:#fff}.mission-card{position:relative;padding:18px 19px;background:#fff;border-color:#e0e7e2;border-radius:13px}.mission-card:hover{background:#fcfefd;box-shadow:0 4px 16px #34594009}.mission-card-top{margin-bottom:8px;min-height:75px}.mission-icon,.mission-card:nth-child(2n) .mission-icon{display:block;width:76px;height:76px;border-radius:0;background-color:#fff;background-image:url('quest/subject-atlas.png');background-size:300% 200%;background-repeat:no-repeat;border:0;font-size:0}.subject-0{background-position:0% 0%!important}.subject-1{background-position:50% 0%!important}.subject-2{background-position:100% 0%!important}.subject-3{background-position:0% 100%!important}.subject-4{background-position:50% 100%!important}.subject-5{background-position:100% 100%!important}.mission-tag{align-self:flex-start;margin-top:8px;color:#82918a}.mission-card h4{font-size:15px}.mission-card p{color:#738078}.mission-card-bottom{margin-top:16px}.nav-item>.nav-art:first-child{display:block;flex-shrink:0;width:28px;height:28px;background-image:url('quest/subject-atlas.png');background-size:300% 200%;background-repeat:no-repeat;background-color:#fff;border-radius:6px}.nav-item{gap:10px}.record-banner{background:#f1f5ef;border-color:#e4ebe1}.record-symbol{display:block;flex-shrink:0;width:49px;height:49px;background:#fff url('quest/subject-atlas.png') 100% 100%/300% 200%;border-radius:9px;font-size:0}.chapter-nav button[aria-pressed=true]{background:#edf4ee}.section-heading{margin-top:30px}
@media(min-width:1450px){.world-art{height:165px}}
@media(max-width:1150px){.world-art{height:128px}.world-copy{padding:2px 16px 16px}.world strong{font-size:17px}.mission-layout{padding:20px 0 0}.mission-card{padding:16px}.mission-card-top{min-height:66px}.mission-icon,.mission-card:nth-child(2n) .mission-icon{width:66px;height:66px}}
@media(max-width:620px){.world-grid{gap:8px}.world-art{height:93px}.world-copy{padding:0 10px 13px}.world strong{font-size:18px;max-width:none}.world-check{width:17px;height:17px;right:8px;top:9px}.world-label,.world[aria-pressed=true] .world-label{font-size:10px;margin-top:2px}.world-meta,.world[aria-pressed=true] .world-meta{font-size:10px;line-height:1.6;max-width:80px;margin-top:4px}.world-meta>span{margin:0 1px}.mission-layout{padding:14px 0 0}.chapter-nav button[aria-pressed=true]{background:#316d56}.mission-card{padding:17px 15px 14px 89px;background:#fff;min-height:132px}.mission-card-top{min-height:0;margin-bottom:3px}.mission-icon,.mission-card:nth-child(2n) .mission-icon{position:absolute;left:13px;top:19px;width:65px;height:65px}.mission-tag{margin-top:0}.mission-card-bottom{font-size:10px}.record-symbol{width:39px;height:39px}.record-banner a{margin-left:49px}}
.world-meta{word-break:keep-all}.mission-card h4,.mission-card p{word-break:keep-all}

.hero-art{background:#fcfefc;color:#2e4c3d;border:1px solid #ffffff8a;border-radius:13px;padding:21px 23px;display:flex;flex-direction:column;justify-content:center;box-shadow:0 8px 24px #112d2117}.example-label{display:flex;justify-content:space-between;gap:10px;color:#688471;font-size:11px;font-weight:600}.example-label>span{font-size:10px;font-weight:400;color:#8c9c90}.example-equation{font-family:Georgia,serif;font-size:31px;text-align:center;padding:20px 0 17px;border-bottom:1px solid #e2eae3}.example-step{display:flex;align-items:center;gap:8px;font-size:11px;color:#708474;padding-top:14px}.example-step>span{font-size:9px;color:#9aa99d}.example-step b{margin-left:auto;color:#397252;font-size:15px;font-family:Georgia,serif;white-space:nowrap}.example-foot{font-size:10px;color:#8a9c8f;margin-top:20px;text-align:center}.world-art{height:139px;padding:4px 18px;object-fit:contain}.world-label{font-size:11px}.world strong{margin-bottom:4px}.nav-item>.nav-art:first-child{background-image:url('quest/menu-semantic.png');background-size:200% 200%;width:31px;height:31px;flex-basis:31px}.menu-learn{background-position:0 0!important}.menu-stats{background-position:100% 0!important}.menu-history{background-position:0 100%!important}.menu-wrong{background-position:100% 100%!important}.mission-icon,.mission-card:nth-child(2n) .mission-icon{background-image:url('quest/math-semantic.png');background-size:400% 300%}.subject-0{background-position:0% 0%!important}.subject-1{background-position:33.333% 0%!important}.subject-2{background-position:66.667% 0%!important}.subject-3{background-position:100% 0%!important}.subject-4{background-position:0% 50%!important}.subject-5{background-position:33.333% 50%!important}.subject-6{background-position:66.667% 50%!important}.subject-7{background-position:100% 50%!important}.subject-8{background-position:0% 100%!important}.subject-9{background-position:33.333% 100%!important}.subject-10{background-position:66.667% 100%!important}.subject-11{background-position:100% 100%!important}.record-symbol{background-image:url('quest/menu-semantic.png');background-size:200% 200%;background-position:100% 0}
@media(max-width:1150px){.hero-art{padding:17px}.example-label{font-size:10px}.example-label>span{display:none}.example-step{font-size:10px;gap:4px}.example-equation{font-size:27px}.world-art{height:123px}.world-label{font-size:10px}}
@media(max-width:620px){.hero-art{display:none}.world-art{height:89px;padding:3px}.world-label{font-size:10px;min-height:32px;line-height:1.6;word-break:keep-all}.world-meta{min-height:32px}}

.home-recent .section-heading a{font-size:12px;color:#52735e}.recent-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.recent-item{padding:14px 17px;border:1px solid #e2e9e3;border-radius:10px;background:#fafcfb}.recent-item strong{display:block;font-size:13px}.recent-item span{font-size:12px;color:#738078}.recent-item b{color:#397252}.mobile-links{flex-wrap:wrap}@media(max-width:620px){.recent-list{grid-template-columns:1fr}.home-recent .section-heading{flex-direction:row;align-items:center}.home-recent h2{font-size:18px}.status{display:inline;font-size:10px}.top-actions{gap:8px}}
/* 오늘의 챌린지 배너 */
.challenge-banner{text-decoration:none;color:#fff;border:none;background:linear-gradient(100deg,#ff7a45,#ff4d6d);box-shadow:0 8px 22px rgba(255,77,109,.28);transition:transform .16s,box-shadow .16s}
.challenge-banner:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,77,109,.36)}
.challenge-banner .record-symbol{font-size:26px;filter:none;-webkit-text-fill-color:initial}
.challenge-banner h3{color:#fff;font-size:14px;font-weight:800}
.challenge-banner p{color:rgba(255,255,255,.9)}
.challenge-banner .cb-go{margin-left:auto;font-size:12px;font-weight:800;white-space:nowrap;background:rgba(255,255,255,.22);padding:8px 14px;border-radius:999px}
@media(max-width:620px){.challenge-banner .cb-go{margin-left:auto}}

/* 오늘의 학습 계획 배너 */
.plan-banner{text-decoration:none;color:#fff;border:none;background:linear-gradient(100deg,#3b82f6,#22a565);box-shadow:0 8px 22px rgba(34,165,101,.26);transition:transform .16s,box-shadow .16s}
.plan-banner:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(34,165,101,.34)}
.plan-banner .record-symbol{font-size:26px;filter:none;-webkit-text-fill-color:initial}
.plan-banner h3{color:#fff;font-size:14px;font-weight:800}
.plan-banner p{color:rgba(255,255,255,.9)}
.plan-banner .cb-go{margin-left:auto;font-size:12px;font-weight:800;white-space:nowrap;background:rgba(255,255,255,.22);padding:8px 14px;border-radius:999px}