.art{height:200px;position:relative;overflow:hidden;border-radius:18px}
:root{--ink:#18251e;--muted:#7b817b;--paper:#f8f8f3;--lime:#d9f080;--line:#e3e7df;--radius:24px}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Pretendard","Noto Sans KR",Arial,sans-serif;font-size:15px;line-height:1.6}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}button{border:0;background:none;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #8ea944;outline-offset:4px}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.3;letter-spacing:-.04em}h1{font-size:64px}h2{font-size:34px}h3{font-size:21px}small{font-size:12px}svg{display:block}.shell{max-width:1280px;margin:auto;padding:0 48px}.topbar{background:#18251e;color:#e4ecd8;text-align:center;font-size:12px;letter-spacing:.04em;padding:9px}.topbar b{color:var(--lime)}.header{height:94px;display:flex;align-items:center;gap:44px}.logo{display:flex;align-items:center;gap:8px;font-size:25px;font-weight:800;letter-spacing:-1px}.logo-mark{color:#769344;font-size:30px}.header nav{display:flex;gap:28px;font-size:14px;font-weight:600;flex:1}.header nav a.active{color:#6d8736}.header-actions{display:flex;align-items:center;gap:14px}.search{display:flex;align-items:center;gap:10px;background:#eeefe8;border-radius:30px;padding:9px 16px}.search input{width:145px;border:0;outline:none;background:none;font-size:12px}.pill,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;padding:12px 20px;font-weight:700;font-size:14px}.btn.dark{background:var(--ink);color:white}.btn.lime{background:var(--lime);color:var(--ink)}.btn.outline{border:1px solid #cbd2c7}.btn.wide{width:100%}.pill{border-radius:30px;background:#e8eddf;padding:7px 13px;font-size:12px}.hero{background:#18261f;border-radius:28px;min-height:480px;position:relative;overflow:hidden;display:grid;grid-template-columns:1.07fr 1fr;color:#fff}.hero-copy{padding:54px 0 48px 50px;z-index:2}.eyebrow{display:flex;align-items:center;gap:9px;color:#d7e1cd;font-size:12px;letter-spacing:.12em;font-weight:700;margin-bottom:22px}.dot{width:7px;height:7px;border-radius:50%;background:var(--lime)}.hero h1{font-size:57px;line-height:1.23;font-weight:700}.hero h1 em{font-style:normal;color:var(--lime)}.hero p{color:#b5c4b9;margin:22px 0 28px;line-height:1.9;font-size:14px}.hero-art{position:relative;min-height:430px;background:radial-gradient(ellipse at 55% 50%,#687b3a66,transparent 65%)}.orbit{position:absolute;border:1px solid #70825955;width:440px;height:440px;border-radius:50%;top:30px;left:15px}.orbit.two{width:330px;height:330px;top:85px;left:70px}.sculpture{position:absolute;top:113px;left:96px;width:300px;height:270px;transform:rotate(-18deg);filter:drop-shadow(16px 28px 23px #0005)}.sculpture:before{content:'';position:absolute;left:40px;top:0;width:105px;height:265px;background:linear-gradient(110deg,#f1ffb3,#bbd477 45%,#8da246);border-radius:52px 52px 20px 20px;box-shadow:inset -18px 0 20px #6c852b55}.sculpture:after{content:'';position:absolute;left:40px;bottom:0;width:245px;height:105px;border-radius:20px 55px 55px 20px;background:linear-gradient(160deg,#e1f39b,#c2dc7c 50%,#92ad4e);box-shadow:inset 0 -20px 30px #70833244}.floating{position:absolute;padding:14px 18px;background:#ffffffef;color:var(--ink);border-radius:16px;box-shadow:0 12px 40px #0002;z-index:2;font-size:12px}.floating strong{font-size:14px}.floating.top{right:32px;top:80px;transform:rotate(6deg)}.floating.bottom{left:20px;bottom:58px;transform:rotate(-5deg)}.star{position:absolute;right:68px;bottom:75px;color:var(--lime);font-size:70px}.hero-bottom{font-size:11px;color:#95a599;letter-spacing:.12em;position:absolute;bottom:22px;right:30px}.benefits{display:flex;justify-content:space-between;padding:27px 18px;color:#7c867d;font-size:12px;border-bottom:1px solid var(--line)}.benefits span{display:flex;align-items:center;gap:10px}.benefits b{color:var(--ink);font-weight:600}.section{margin:50px 0}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.section-head p{font-size:13px;color:var(--muted);margin-top:10px}.section-kicker{font-size:11px;letter-spacing:.14em;color:#7f8b70;font-weight:700;margin-bottom:10px}.filters{display:flex;gap:8px;margin-bottom:25px;flex-wrap:wrap}.filter{border:1px solid var(--line);border-radius:24px;padding:8px 18px;font-size:13px;background:#fff}.filter.active{background:var(--ink);color:#fff;border-color:var(--ink)}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.course{min-width:0;cursor:pointer}.course .art{height:200px;border-radius:18px;position:relative;overflow:hidden;transition:transform .25s}.course:hover .art{transform:translateY(-4px)}.art.orange{background:#eed3ba}.art.purple{background:#dcd7ed}.art.green{background:#d4e2bc}.art.blue{background:#cddfe7}.art .badge{position:absolute;top:15px;left:15px;padding:4px 8px;font-size:9px;letter-spacing:.06em;border-radius:5px;background:#fff9;font-weight:800;z-index:2}.art .art-label{position:absolute;bottom:17px;left:19px;font-size:11px;font-weight:600;letter-spacing:.12em}.art .art-number{position:absolute;right:17px;top:10px;font-size:12px;opacity:.5}.art-shape{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);width:100px;height:100px}.orange .art-shape{border:24px solid #cc744d;border-radius:50%;box-shadow:inset 8px 4px 15px #7c391944,10px 15px 18px #7f391922;transform:translate(-50%,-50%) rotateX(25deg) rotateY(-20deg)}.orange .art-shape:after{content:'';position:absolute;width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,#ffdc93,#efa953);top:-40px;right:-35px;box-shadow:7px 12px 20px #8d572733}.purple .art-shape{width:125px;height:100px;border-radius:60px 60px 14px 14px;background:linear-gradient(120deg,#a28dd0,#7560ad);transform:translate(-50%,-50%) rotate(-17deg);box-shadow:12px 20px 15px #66567d33}.purple .art-shape:after{content:'';width:63px;height:110px;border-radius:40px;background:linear-gradient(140deg,#e8e1fa,#ac98d7);position:absolute;left:72px;top:-24px;box-shadow:7px 10px 15px #66567d33}.green .art-shape{width:36px;height:70px;background:linear-gradient(90deg,#64794b,#8aa865);border-radius:9px;top:60%;box-shadow:45px -30px 0 #a1ba78,90px -60px 0 #697f50;left:30%;transform:translate(-50%,-50%) rotate(-12deg)}.blue .art-shape{border:15px solid #7da3b1;border-radius:28px;width:130px;height:95px;box-shadow:8px 16px 20px #45697b33;transform:translate(-50%,-50%) rotate(12deg)}.blue .art-shape:after{content:'';width:51px;height:51px;border-radius:50%;border:12px solid #dbe9ed;background:#537786;position:absolute;left:23px;top:7px}.course-category{font-size:11px;color:var(--muted);margin:17px 0 7px}.course h3{font-size:18px;line-height:1.5;min-height:54px;letter-spacing:-.04em}.mentor{font-size:12px;color:var(--muted);margin-top:10px}.course-meta{display:flex;align-items:center;justify-content:space-between;margin-top:12px;padding-top:13px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.course-meta strong{font-size:16px;color:var(--ink)}.banner{background:#e9eddf;padding:35px 40px;border-radius:24px;display:flex;align-items:center;justify-content:space-between;margin:50px 0}.banner h2{font-size:27px}.banner p{font-size:13px;color:#77806e;margin-top:8px}.live-panel{display:grid;grid-template-columns:1.1fr 1fr;border-radius:24px;overflow:hidden;border:1px solid var(--line);background:white}.live-visual{background:#d7dfc8;padding:38px;min-height:250px;position:relative;overflow:hidden}.live-visual h2{font-size:38px;position:relative;z-index:2}.live-visual .art-shape{background:#9cac7e;width:140px;height:140px;border-radius:40px;left:82%;top:62%;transform:rotate(30deg);box-shadow:30px 30px 0 #b6c398}.live-info{padding:35px}.live-info p{color:var(--muted);font-size:13px;margin:12px 0 22px}.footer{border-top:1px solid var(--line);padding:35px 0;margin-top:60px;color:var(--muted);font-size:11px}.footer-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.footer-links{display:flex;gap:20px}.demo-note{background:#fff7dc;color:#76652e;border:1px solid #ece0b7;border-radius:12px;padding:12px 16px;font-size:12px;margin-bottom:20px}.page-title{padding:38px 0 30px}.page-title h1{font-size:40px}.page-title p{color:var(--muted);margin-top:12px}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:35px}.detail-art{height:340px;border-radius:24px;position:relative;overflow:hidden}.detail-art .art-shape{transform:translate(-50%,-50%) scale(1.7)}.detail-art .art-label{position:absolute;bottom:28px;left:30px;font-size:13px;letter-spacing:.15em}.detail-art .badge{position:absolute;left:30px;top:26px;font-weight:700}.detail-copy{margin:30px 0}.detail-copy p{margin:18px 0;color:#677466}.buybox{background:white;border:1px solid var(--line);border-radius:22px;padding:25px;height:fit-content;position:sticky;top:20px}.buybox h3{margin:14px 0}.buybox .price{font-size:30px;font-weight:800;margin:20px 0}.buybox small{color:var(--muted)}.buybox ul{padding-left:18px;margin:20px 0;font-size:13px;color:#697567}.lesson-row{display:flex;align-items:center;gap:15px;padding:20px 0;border-bottom:1px solid var(--line)}.lesson-num{width:34px;height:34px;border-radius:10px;background:#e9eddf;display:grid;place-items:center;font-size:12px}.lesson-row strong{flex:1;font-size:14px}.lesson-row span{color:var(--muted);font-size:12px}.panel{background:white;border:1px solid var(--line);padding:28px;border-radius:20px;margin-bottom:20px}.panel h3{margin-bottom:15px}.checkout{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:25px}.payment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.payment-method{border:1px solid var(--line);border-radius:12px;padding:16px;text-align:left;display:flex;gap:12px;align-items:center;font-size:13px}.payment-method.selected{border:2px solid #758a45;background:#f0f5e5;padding:15px}.payment-method .payment-icon{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:#e8ede0;font-weight:800}.payment-method[data-method=kakao] .payment-icon{background:#fee500}.payment-method[data-method=naver] .payment-icon{background:#03c75a;color:white}.payment-method[data-method=toss] .payment-icon{background:#3182f6;color:white}.payment-method[data-method=payco] .payment-icon{background:#ed2224;color:white}.summary-line{display:flex;justify-content:space-between;font-size:13px;padding:12px 0}.summary-total{border-top:1px solid var(--line);font-weight:800;font-size:20px;margin-top:10px;padding-top:20px}.check-label{display:flex;align-items:start;gap:9px;font-size:12px;color:#737b6e;margin:17px 0}.check-label input{accent-color:#738849;margin-top:5px}.empty{text-align:center;padding:70px 25px;border:1px dashed #cbd4c5;border-radius:20px}.empty p{color:var(--muted);margin:15px 0}.progress-track{height:5px;background:#e4e8dd;border-radius:5px;overflow:hidden;margin:15px 0}.progress-track span{display:block;height:100%;background:#87a34c}.my-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.my-card{background:white;border:1px solid var(--line);border-radius:20px;overflow:hidden}.my-card .art{height:170px;position:relative;overflow:hidden}.my-card-body{padding:22px}.my-card h3{font-size:18px}.my-card small{color:var(--muted)}.tabs{display:flex;gap:20px;border-bottom:1px solid var(--line);margin-bottom:26px}.tabs button{padding:12px 0;color:var(--muted)}.tabs button.active{border-bottom:2px solid var(--ink);color:var(--ink);font-weight:700}.player-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px}.player{aspect-ratio:16/9;background:#18251e;border-radius:20px;position:relative;overflow:hidden;color:white;display:grid;place-items:center}.player iframe{border:0;width:100%;height:100%}.player-demo{text-align:center;padding:30px;z-index:1}.player-demo .play-circle{display:grid;place-items:center;width:70px;height:70px;border:1px solid #758b6a;border-radius:50%;margin:0 auto 20px;background:#d9f080;color:#18251e;font-size:25px}.player-demo h3{font-size:24px}.player-demo p{font-size:12px;color:#a7b59e;margin:12px 0;max-width:400px}.watermark{position:absolute;right:20px;bottom:15px;font-size:11px;color:#fff8;pointer-events:none;z-index:3}.player-side{background:white;border:1px solid var(--line);border-radius:20px;padding:22px}.player-side .lesson-row{padding:15px 0;cursor:pointer}.player-side .lesson-row.active{color:#769043}.player-side .lesson-row strong{font-size:12px}.player-side .lesson-row span{font-size:10px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:25px}.stat{background:white;border:1px solid var(--line);border-radius:18px;padding:22px}.stat strong{display:block;font-size:30px;margin-top:8px}.stat small{color:var(--muted)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}th,td{padding:14px 10px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--muted);font-weight:500}.status{padding:5px 9px;border-radius:6px;background:#eaf0dd;font-size:10px}.status.pending{background:#fff0d8}.status.refunded{background:#f1e5e2}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.field{display:flex;flex-direction:column;gap:7px;font-size:12px;margin:12px 0}.field input,.field select,.field textarea{width:100%;border:1px solid #d9dfd2;border-radius:10px;background:#fafbf7;padding:12px;color:var(--ink)}.field textarea{resize:vertical;min-height:100px}.field.full{grid-column:1/-1}.modal-overlay{position:fixed;inset:0;background:#0f1b18aa;backdrop-filter:blur(5px);display:flex;justify-content:center;align-items:center;z-index:50;padding:20px}.modal{width:460px;max-width:100%;max-height:90vh;overflow:auto;background:var(--paper);border-radius:24px;padding:32px;position:relative;box-shadow:0 30px 100px #0003}.modal.large{width:660px}.modal-close{position:absolute;right:17px;top:14px;font-size:25px}.modal h2{font-size:27px;margin:22px 0 8px}.modal p{font-size:13px;color:var(--muted)}.auth-switch{text-align:center;margin:20px 0 0;font-size:12px}.auth-switch button{font-weight:700;text-decoration:underline}.demo-login{border-top:1px solid var(--line);margin-top:20px;padding-top:18px;display:flex;gap:8px;flex-wrap:wrap}.demo-login button{background:#e9eddc;padding:8px 10px;border-radius:8px;font-size:11px}.error{color:#b14d36;font-size:12px;margin:12px 0}.loading{padding:100px;text-align:center;color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);background:var(--ink);color:white;border-radius:12px;padding:14px 24px;font-size:13px;box-shadow:0 10px 30px #0002;opacity:0;transition:.2s;z-index:100;pointer-events:none}#toast.visible{opacity:1;transform:translate(-50%,0)}.row{display:flex;gap:12px;align-items:center}.muted{color:var(--muted)}.spacer{height:20px}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.faq details{padding:18px 0;border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:600;font-size:14px}.faq p{font-size:13px;color:var(--muted);padding-top:12px}.mobile-only{display:none}@media(min-width:1450px){.hero h1{font-size:61px}.hero{min-height:495px}}@media(max-width:1050px){.shell{padding:0 28px}.header{gap:25px}.search{display:none}.hero h1{font-size:46px}.hero-copy{padding-left:35px}.hero-art{transform:scale(.86);transform-origin:center}.grid{grid-template-columns:repeat(2,1fr)}.course .art{height:240px}.my-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.shell{padding:0 20px}.header{height:76px;gap:10px}.logo{font-size:22px}.header nav{display:none}.header-actions{margin-left:auto;gap:7px}.header-actions .btn{padding:9px 12px;font-size:12px}.hero{grid-template-columns:1fr;min-height:680px}.hero-copy{padding:36px 27px 10px}.hero h1{font-size:43px}.hero p{font-size:12px}.hero-art{min-height:280px;transform:scale(.75);margin-top:-35px;transform-origin:top center}.sculpture{top:45px;left:60px}.orbit{top:-35px;left:-5px}.orbit.two{top:20px;left:50px}.floating.top{top:20px;right:0}.floating.bottom{bottom:0;left:0}.star{bottom:0;right:10px}.hero-bottom{display:none}.benefits{gap:16px;overflow:auto;white-space:nowrap;font-size:10px;padding:20px 0}.benefits span:last-child{display:none}.section{margin:35px 0}.section-head h2{font-size:26px}.section-head p{font-size:11px}.section-head>a{font-size:11px}.grid{gap:18px 12px}.course .art{height:165px}.course h3{font-size:15px;min-height:45px}.course-meta strong{font-size:13px}.course-category{font-size:10px}.course-meta{font-size:9px}.art-shape{transform:translate(-50%,-50%) scale(.8)!important}.art .art-label{font-size:8px;left:12px}.banner{padding:27px;display:block}.banner h2{font-size:23px}.banner .btn{margin-top:20px}.live-panel{grid-template-columns:1fr}.live-visual{min-height:200px;padding:28px}.live-visual h2{font-size:30px}.live-info{padding:25px}.detail-layout,.checkout,.player-layout,.help-grid{grid-template-columns:1fr}.buybox{position:static}.detail-art{height:250px}.detail-art .art-shape{transform:translate(-50%,-50%) scale(1.5)!important}.page-title{padding:25px 0}.page-title h1{font-size:30px}.my-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.stat{padding:17px}.form-grid{grid-template-columns:1fr}.footer-top{align-items:start;gap:20px;flex-direction:column}.player-demo h3{font-size:17px}.player-demo .play-circle{width:45px;height:45px;font-size:17px;margin-bottom:10px}.player-demo p{font-size:10px}.player-demo{padding:15px}.mobile-only{display:block}.mobile-nav{display:flex;justify-content:center;gap:22px;padding-bottom:15px;font-size:12px}}

@media(max-width:720px){.player-layout .panel .row{align-items:stretch;flex-direction:column}.player-layout .panel .row .btn{width:100%;white-space:nowrap}.checkout .panel .row>.art{height:120px}.header-actions .pill{max-width:115px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}

.tabs{overflow-x:auto}.tabs button{flex-shrink:0;white-space:nowrap}@media(max-width:720px){.header-actions:has(a[href="#admin"]) .header-profile{display:inline-flex}}
:root{--auth-border:#dedfd7}
.social-auth{display:grid;gap:10px;margin:22px 0}.social-login{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:13px;border:1px solid var(--auth-border);border-radius:12px;font-weight:700;background:white;color:#202820}.social-login span{font-size:19px}.social-login small{font-size:10px;font-weight:400}.social-login.apple{background:#171717;color:white}.social-login.naver{background:#03c75a;color:white;border-color:#03c75a}.social-login.kakao{background:#fee500;color:#191919;border-color:#fee500}.social-login:disabled{opacity:.55;cursor:not-allowed}.auth-divider{display:flex;align-items:center;gap:12px;color:#7b8275;font-size:12px;margin:20px 0}.auth-divider:before,.auth-divider:after{content:'';height:1px;background:var(--auth-border);flex:1}.verification-resend{display:block;margin:16px auto 0;font-size:12px;color:#66715d}

.cover-art{position:relative;aspect-ratio:16/9;height:auto!important;min-height:0!important;background:#f4f1e7}.cover-art>img{display:block;width:100%;height:100%;object-fit:cover}.lesson-thumb{width:96px;aspect-ratio:16/9;object-fit:cover;border-radius:8px;flex-shrink:0}@media(max-width:600px){.lesson-thumb{width:64px}}

.credit-overview{display:grid;grid-template-columns:1fr 1fr;gap:24px}.credit-balance{background:#e5efcf}.credit-balance h2{font-size:38px;margin:20px 0}.credit-packages{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin:24px 0 44px}.credit-package h3{font-size:24px;margin-top:25px}.credit-warning{background:#fff3d9;border:1px solid #e7d5a4;padding:20px 24px;border-radius:16px;line-height:1.7}.credits-page .panel p{margin:16px 0}.credits-page .panel small.muted{display:block;margin-top:14px}.credits-page .btn{margin:5px 0}.credit-package .price{font-size:32px}@media(max-width:760px){.credit-overview,.credit-packages{grid-template-columns:1fr}.credit-balance h2{font-size:30px}}

.credit-label{display:inline-flex;align-items:center;gap:.3em;vertical-align:middle}.credit-icon{width:1.25em;height:1.25em;flex:none;object-fit:contain}.credit-balance h2 .credit-icon{width:1.45em;height:1.45em}

.management-video{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line,#ddd)}.post-body{white-space:pre-wrap;overflow-wrap:anywhere}.table-wrap{overflow-x:auto}.management-video .row{flex-wrap:wrap}progress{width:100%;accent-color:#738350}.tabs{flex-wrap:wrap}@media(max-width:700px){.management-video{align-items:flex-start;flex-direction:column}.management-video .btn{padding:10px}.panel .row{flex-wrap:wrap}}

.admin-video-preview{width:100%;aspect-ratio:16/9;border:0;border-radius:12px;background:#111}

/* byeollab: transparent, flat two-ink brand assets */
.policy-page{max-width:960px}.policy-page .panel{line-height:1.85}.policy-page li{margin:10px 0}.business-info{font-size:12px;line-height:1.8;margin-top:24px;overflow-wrap:anywhere}.account-actions{margin-top:20px;flex-wrap:wrap}.reader-header{justify-content:space-between}.reader-header .header-actions{display:flex}
.logo{flex-shrink:0;line-height:1}.brand-logo{display:block;width:210px;height:auto;max-width:100%}.header{gap:28px}.header nav{gap:22px}.footer .brand-logo{width:210px}.modal .brand-logo{width:220px;margin-bottom:24px}@media(max-width:1100px){.header{gap:18px}.header nav{gap:16px}.header .brand-logo{width:190px}}@media(max-width:720px){.header .brand-logo{width:166px}.header-actions{gap:8px}.header-actions .btn{padding:10px 13px}.header-actions .pill{max-width:86px}}@media(max-width:360px){.header .brand-logo{width:145px}.header-actions .btn{padding:9px 10px}}
.reader-nav{display:flex;justify-content:center;gap:22px;padding-bottom:15px;font-size:13px;flex-wrap:wrap}.reader-nav a.active{font-weight:700;text-decoration:underline;text-underline-offset:6px}.reader-login{max-width:480px;padding-top:24px;padding-bottom:40px}.reader-login .logo{display:none}.reader-login h2,.reader-login>.panel>p{text-align:center}
.auth-notice{font-size:12px;color:#66715d;text-align:center;margin:-8px 0 0}.auth-notice a{text-decoration:underline}

.community{margin-top:24px}.community-post{padding:18px 0;border-bottom:1px solid #ddd}.community-text{white-space:pre-wrap;overflow-wrap:anywhere}.community select{padding:12px;font:inherit}

.material-catalog{margin:24px 0}.material-catalog h3{margin-top:0}.material-search{margin:8px 0 4px}.material-search input{width:100%;box-sizing:border-box}
.material-status{min-height:1.2em;margin:4px 0;font-size:13px}.material-reset{margin-bottom:8px}.material-empty{margin:0}
.material-group{border-top:1px solid #ddd;padding:12px 0}.material-group summary{cursor:pointer;font-weight:700}.material-group ul{list-style:none;margin:8px 0 0;padding:0}
.material-note{font-size:13px;margin:8px 0 0;opacity:.8}.material-note.warn{opacity:1;font-weight:700;color:#9a3412}
.material-item{padding:10px 0;border-bottom:1px solid #eee;overflow-wrap:anywhere;word-break:keep-all}.material-name{display:flex;flex-wrap:wrap;gap:6px;align-items:baseline}.material-name strong{font-weight:600;overflow-wrap:anywhere;word-break:break-word}
.material-badge{font-size:11px;padding:2px 8px;border-radius:999px;background:#fff1e6;color:#9a3412;border:1px solid #fdba74;white-space:nowrap}
.material-desc{margin:4px 0 0;font-size:13px}.material-meta{display:block;margin-top:2px;opacity:.7}.material-catalog [hidden]{display:none!important}
.course .course-meta{flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:6px}.course-price{display:flex;flex-wrap:wrap;align-items:center;gap:4px 10px;color:var(--ink)}.course-price strong{font-size:16px;display:inline-flex;align-items:center}.course-price .credit-label{display:inline-flex;align-items:center;gap:4px}.course-price .credit-icon{width:20px;height:20px}.price-sep{font-size:12px;color:var(--muted)}
@media(max-width:640px){.course-price{flex-wrap:nowrap;gap:6px}.course-price strong{font-size:14px;white-space:nowrap}.course-price .credit-icon{width:16px;height:16px}.price-sep{font-size:11px}}
.course .art{aspect-ratio:16/9;height:auto!important;min-height:0}
.live-wait h3{margin:6px 0}.live-countdown{font-size:20px;font-weight:700}.live-chat{margin-top:22px}.live-messages{max-height:320px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;margin:10px 0;padding-right:4px}.live-msg{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:baseline;font-size:14px;overflow-wrap:anywhere}.live-msg strong{font-size:13px}.live-msg.host strong{color:#3f6212}.live-msg.own span{font-weight:600}.live-msg .link{border:0;background:none;color:var(--muted);font-size:11px;cursor:pointer;padding:0}.live-chat-form{display:flex;gap:8px;align-items:flex-end}.live-chat-form .field{flex:1;margin:0}.live-chat-form[hidden]{display:none}
.signup-page{max-width:560px}.signup-form{display:flex;flex-direction:column;gap:6px}.signup-email,.signup-phone{display:flex;gap:8px;align-items:center}.signup-email input,.signup-phone input{flex:1;min-width:0}.signup-phone>span{white-space:nowrap;color:var(--muted);font-size:14px}.signup-email .verified{color:#3f6212;font-weight:700;white-space:nowrap}.signup-email-status{font-size:13px;margin:0 0 6px}.signup-terms{border-top:1px solid var(--line);padding-top:12px;margin:8px 0}.signup-terms .all{font-weight:700;padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:8px}.signup-terms-detail{font-size:12px;margin:0 0 10px 26px}.signup-form .btn.wide{margin-top:6px}
.profile-page{max-width:720px}.profile-page form{margin-bottom:22px}.invite-panel{margin:0 0 24px}.invite-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px}.invite-email textarea{width:100%;box-sizing:border-box}.invite-share{border-left:1px solid var(--line);padding-left:24px;display:flex;flex-direction:column;gap:10px}.invite-buttons{flex-wrap:wrap;gap:8px}.invite-link{display:flex;gap:8px}.invite-link input{flex:1;min-width:0;padding:10px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:13px}.invite-status{font-size:13px;overflow-wrap:anywhere}
@media(max-width:760px){.invite-grid{grid-template-columns:1fr}.invite-share{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:16px}}
.signup-term{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:2px 0}.signup-term .check-label{margin:6px 0}.signup-term .link{border:0;background:none;color:var(--muted);text-decoration:underline;cursor:pointer;font:inherit;font-size:13px;white-space:nowrap;padding:4px}.policy-modal{max-height:65vh;overflow-y:auto;font-size:14px;line-height:1.75}.policy-modal .panel{padding:14px 0;border:0;border-bottom:1px solid var(--line);border-radius:0;background:none;box-shadow:none}.policy-modal h1{font-size:20px}.policy-modal h2{font-size:16px}
.field-note{font-size:12px;margin:-4px 0 10px;line-height:1.5}
.live-roster{margin:6px 0 0;padding-left:18px;font-size:14px;line-height:1.8;max-height:240px;overflow-y:auto}
.link-action{border:0;background:none;padding:0;font:inherit;font-size:12px;color:var(--muted);cursor:pointer;text-decoration:underline;text-underline-offset:2px}.link-action:hover{color:var(--ink)}.community-edit textarea{width:100%;box-sizing:border-box;min-height:80px;margin:8px 0;font:inherit}

.admin-course>summary{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;cursor:pointer;font-size:1.1rem;list-style:none}.admin-course>summary::-webkit-details-marker{display:none}.admin-course>summary::before{content:"▸";transition:transform .15s}.admin-course[open]>summary::before{transform:rotate(90deg)}.admin-course[open]>summary{margin-bottom:12px}.admin-course>summary .muted{font-size:.85rem}

.header nav,.header-actions{flex-shrink:0;white-space:nowrap}.header nav{flex:none}.header nav a{white-space:nowrap}.header-actions>.pill{max-width:160px;overflow:hidden;text-overflow:ellipsis;display:block}.header.compact-header{height:auto;min-height:78px;flex-wrap:wrap;gap:12px;padding-top:16px;padding-bottom:16px}.compact-header nav,.compact-header .search{display:none}.compact-header .header-actions{margin-left:auto;flex-wrap:wrap;justify-content:flex-end;white-space:normal}.compact-header .header-actions .btn{padding:9px 12px}.mobile-nav.compact-nav{display:flex;gap:8px;justify-content:space-between;padding-top:12px;padding-bottom:12px}.compact-nav a{white-space:nowrap;font-size:13px}.profile-credit-link{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.profile-fold>summary{cursor:pointer;font-size:20px;font-weight:700}.profile-fold>form{margin-top:24px}.profile-image-editor{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}.profile-image-editor img{border-radius:50%;object-fit:cover}.profile-image-editor input[type=file]{max-width:100%}

.header-actions>.header-profile{display:inline-flex;max-width:200px;min-width:0;gap:8px}.header-profile span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-avatar{width:30px;height:30px;object-fit:cover;border-radius:50%;flex-shrink:0}.header-measure{position:fixed!important;left:-10000px;top:0;visibility:hidden;display:flex!important;width:max-content!important;max-width:none!important;padding:0!important;gap:28px!important;pointer-events:none}.header-measure nav,.header-measure .search{display:flex!important}.header-measure .header-actions{display:flex!important;flex-wrap:nowrap!important}.header-measure .brand-logo{width:210px!important}.header-measure .header-actions>.header-profile{display:inline-flex!important}.compact-header .header-actions>.header-profile{display:inline-flex}.compact-header .brand-logo{width:166px}.compact-header .header-actions{max-width:100%}

.header.compact-header .header-account-action{display:none}.profile-account-actions{display:flex;gap:12px;flex-wrap:wrap}.header.reader-header .header-profile{display:inline-flex}@media(max-width:720px){.header .header-account-action{display:none}.header.reader-header .header-profile{display:inline-flex}}

/* Compact account overview */
.profile-page{max-width:760px;padding-bottom:48px}.profile-page .page-title{padding:36px 0 24px}.profile-page .page-title h1{font-size:32px;letter-spacing:-.04em}.profile-page .page-title p{font-size:14px;margin-top:8px}.profile-wallet{background:#edf3df;border:1px solid #dbe4cb;border-radius:24px;padding:26px;margin-bottom:20px}.profile-wallet-top{display:flex;align-items:center;justify-content:space-between;gap:16px}.wallet-label{font-size:13px;color:#536148;font-weight:600}.profile-wallet h2{font-size:34px;margin-top:8px}.profile-wallet h2 .credit-icon{width:34px;height:34px}.wallet-note{font-size:13px;color:#536148;margin:14px 0 0}.wallet-history{border-top:1px solid #d2ddc4;margin-top:22px;padding-top:16px}.wallet-history summary{cursor:pointer;font-size:14px;font-weight:600}.wallet-history summary>span{float:right;font-size:12px;font-weight:400;color:#67735d}.wallet-history ul{list-style:none;padding:0;margin:12px 0 0}.wallet-history li{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid #dbe4cb;font-size:13px}.wallet-history li:last-child{border-bottom:0}.wallet-history small{display:block;color:#67735d;margin-top:3px}.wallet-amount{text-align:right}.wallet-amount .positive{color:#4b7025}.wallet-empty{color:#67735d}.profile-page .profile-fold{padding:20px 22px;border-radius:18px;margin-bottom:12px}.profile-fold>summary{font-size:16px}.profile-page form{margin-bottom:0}.profile-page .field input,.profile-page .field textarea{min-width:0;width:100%}.profile-page .profile-account-actions{margin-top:32px;padding:20px 0 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;gap:10px}.profile-account-actions .btn{font-size:13px}.header-credits{display:inline-flex;align-items:center;flex-shrink:0;font-size:13px;font-weight:700;white-space:nowrap}.header-credits .credit-icon{width:22px;height:22px}.mobile-nav a,.reader-nav a{font-family:inherit;font-size:14px;font-weight:600;letter-spacing:normal;line-height:1.6}.mobile-nav.compact-nav{gap:18px;justify-content:flex-start;overflow-x:auto}.compact-nav a{white-space:nowrap;flex-shrink:0}.compact-header .header-actions{gap:10px}.compact-header .header-profile{max-width:150px}
@media(max-width:720px){.profile-page .page-title{padding:26px 0 20px}.profile-page .page-title h1{font-size:28px}.profile-wallet{padding:22px 20px;border-radius:20px}.profile-wallet h2{font-size:30px}.profile-wallet-top .btn{padding:11px 16px;white-space:nowrap}.profile-page .profile-fold{padding:18px}.profile-page .form-grid{grid-template-columns:1fr}.profile-page .profile-account-actions .btn{flex:1;white-space:nowrap}.header.compact-header{flex-wrap:nowrap}.compact-header .header-actions{flex-wrap:nowrap}.compact-header .header-profile{padding:5px 8px;max-width:145px}.compact-header .brand-logo{width:145px}.header-credits .credit-label{gap:4px}.header-credits{font-size:12px}.header-credits .credit-icon{width:18px;height:18px}}
@media(max-width:390px){.compact-header .brand-logo{width:116px}.compact-header .header-profile{max-width:115px}.compact-header .header-avatar{width:26px;height:26px}.compact-header .header-actions{gap:6px}.header.compact-header{gap:8px}}

/* Branded sign-in buttons use local official artwork. */
.social-auth{gap:12px;margin:26px 0 20px}.social-login{position:relative;min-height:52px;padding:13px 52px;border-radius:12px;font-size:15px;font-weight:600;line-height:1.5;transition:box-shadow .15s,transform .15s}.social-login:not(:disabled):hover{box-shadow:0 3px 12px #18251e18;transform:translateY(-1px)}.social-login .social-brand-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);width:22px;height:22px;object-fit:contain;flex-shrink:0}.social-login .social-label{font-size:15px;font-weight:600}.social-login.naver{background:#03a94d;border-color:#03a94d}.social-login.naver .social-brand-icon{left:7px;width:48px;height:48px}.social-login.apple{background:#000;border-color:#000}.social-login.apple .social-brand-icon{width:19px;height:23px;left:22px}.social-login.google{border-color:#dadce0;color:#1f1f1f}.social-login.kakao{color:#191919}.social-login small{font-size:10px;position:absolute;right:12px;bottom:3px}.auth-notice{font-size:12px;line-height:1.7;color:#6d766a}.auth-notice a{text-decoration:underline;text-underline-offset:2px}.reader-login .panel{border-radius:24px}.reader-login h2{font-size:27px}.reader-login>.panel>p{font-size:14px;margin-top:10px}@media(max-width:390px){.social-login{padding-left:44px;padding-right:30px}.social-login .social-label{font-size:14px}}

.classroom-page{padding-bottom:48px}.classroom-page .classroom-title{padding:38px 0 24px}.classroom-title h1{font-size:36px;letter-spacing:-.04em;margin:8px 0 10px}.classroom-title p{font-size:14px;color:var(--muted)}.classroom-page>.tabs{gap:8px;margin-bottom:24px;flex-wrap:nowrap;overflow-x:auto}.classroom-page>.tabs button{white-space:nowrap;font-size:14px;padding:11px 18px;border-radius:12px}.classroom-page .empty{padding:48px 22px;background:white;border:1px solid var(--line);border-radius:20px}.classroom-page .my-card{border-radius:20px;overflow:hidden}.profile-edit-hint{float:right;color:var(--muted);font-size:12px;font-weight:400;line-height:26px}.profile-session-actions{display:flex;width:100%;gap:10px}.profile-session-actions>.btn{flex:1}.profile-account-actions .account-delete-link{color:#7b514a;border-color:#e0d4cf;background:transparent}@media(max-width:720px){.classroom-page .classroom-title{padding:26px 0 20px}.classroom-title h1{font-size:28px}.classroom-page>.tabs button{padding:10px 12px;font-size:13px}.classroom-page>.tabs{gap:4px}.classroom-page .my-card-body{padding:20px}}