@import "https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable-dynamic-subset.min.css";
:root{--breakpointMobile:768px;--breakpointDesktop:1024px;--blackC:#1e1e1e;--whiteC:#fff;--orangeC:orange;--orangeBg:#ea8f04;--dop4:#0000000a;--dop8:#00000014;--dop10:#0000001a;--dop20:#0003;--dop30:#0000004d;--dop40:#0006;--dop50:#00000080;--dop60:#0009;--caption:12px;--body100:14px;--body200:16px;--head100:18px;--head200:20px;--head300:24px;--head400:30px;--head500:36px;--head600:48px;--head700:60px;--head800:72px}:root.light{--bg0:#fff;--bg50:#fafafa;--bg100:#f5f5f5;--bg150:#f1f1f1;--bg200:#ededed;--bg250:#e9e9e9;--bg300:#e5e5e5;--bg350:#e1e1e1;--bg400:#ddd;--bg450:#d9d9d9;--bg500:#d5d5d5;--ibg0:#fff;--ibg50:#fafafa;--ibg100:#f5f5f5;--ibg150:#f1f1f1;--ibg200:#ededed;--ibg250:#e9e9e9;--ibg300:#e5e5e5;--ibg350:#e1e1e1;--mbg0:#fff;--mbg50:#fafafa;--mbg100:#f5f5f5;--mbg150:#f1f1f1;--mbg200:#ededed;--mbg250:#e9e9e9;--mbg300:#e5e5e5;--mbg350:#e1e1e1;--mbd:#0000004d;--op4:#0000000a;--op8:#00000014;--op10:#0000001a;--op20:#0003;--op30:#0000004d;--op40:#0006;--op50:#00000080;--op60:#0009;--blueC:#004ad3;--blueBg:#05f;--redC:#d20000;--redBg:#e60000;--greenC:#008d27;--greenBg:#16a23d;--brandC:#2a7f7e;--brandBg:#1f5e5e;--mainC:#2f2f2f;--subC:#8c8c8c;--placeholder:#0000004d;--divider:#0000000f;--btnHovered:#0000000a;--btnPressed:#00000014}:root.dark{--bg0:#141414;--bg50:#1e1e1e;--bg100:#272727;--bg150:#2f2f2f;--bg200:#363636;--bg250:#3d3d3d;--bg300:#444;--bg350:#4b4b4b;--bg400:#525252;--bg450:#595959;--bg500:#606060;--ibg0:#272727;--ibg50:#2f2f2f;--ibg100:#363636;--ibg150:#3d3d3d;--ibg200:#444;--ibg250:#4b4b4b;--ibg300:#525252;--mbg0:#1e1e1e;--mbg50:#272727;--mbg100:#2f2f2f;--mbg150:#363636;--mbg200:#3d3d3d;--mbg250:#444;--mbg300:#4b4b4b;--mbg350:#525252;--mbd:#0009;--op4:#ffffff0a;--op8:#ffffff14;--op10:#ffffff1a;--op20:#fff3;--op30:#ffffff4d;--op40:#fff6;--op50:#ffffff80;--op60:#fff9;--blueC:#3ea7fd;--blueBg:#05f;--redC:#d20000;--redBg:#e60000;--greenC:#00b02e;--greenBg:#16a23d;--brandC:#4fa89e;--brandBg:#2a7f7e;--mainC:#fff;--subC:#b4b4b4;--placeholder:#ffffff4d;--divider:#ffffff0f;--btnHovered:#ffffff0a;--btnPressed:#ffffff14}html{font-size:var(--body100)}.status-layer{position:relative;overflow:hidden}.status-layer:hover:after{content:"";background-color:var(--op4);pointer-events:none;width:100%;height:100%;position:absolute;top:0;left:0}*{word-break:keep-all}p{line-height:1.6}dfn,cite,em,i{font-style:italic}address{margin:0 0 1.5em}code,kbd,tt,var{font-family:monaco,consolas,Andale Mono,DejaVu Sans Mono,monospace}big{font-size:125%}*{color:var(--mainC);font-family:Pretendard Variable,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen-Sans,Ubuntu,Cantarell,Helvetica Neue,sans-serif}body,button,input,select,optgroup,textarea{color:var(--mainC);font-size:1rem;line-height:1.5}strong{color:var(--brandC)}h1,h2,h3,h4,h5,h6{clear:both;line-height:1.35}h1{font-size:1.9rem}h2{font-size:1.7rem}h3{font-size:1.5rem}h4{font-size:1.3rem}h5{font-size:1.1rem}.app.tablet h1{font-size:1.65rem}.app.tablet h2{font-size:1.5rem}.app.tablet h3{font-size:1.35rem}.app.tablet h4{font-size:1.2rem}.app.tablet h5{font-size:1.05rem}*{margin:0;box-sizing:border-box!important}body{background-color:var(--bg0);transition:background-color .2s}.page{flex-direction:column;align-items:center;width:100%;display:flex}hr,.wp-block-separator{color:var(--subC)}ul{list-style:outside}ol{list-style:decimal}dt{font-weight:700}dd{margin:0 1.5em 1.5em}embed,iframe,object{max-width:100%}.wp-block-image img{border-color:var(--bg200)}.wp-element-caption{color:var(--subC)}table{width:100%}table td{color:var(--mainC)}pre,.wp-block-preformatted,.wp-block-code{color:var(--mainC);background:var(--bg100);padding:1rem}.wp-block-quote{padding-left:1rem;position:relative}.wp-block-quote:before{content:"";background-color:var(--bg200);width:4px;height:100%;position:absolute;top:0;left:0}.wp-block-quote cite{color:var(--subC)}.wp-block-embed .wp-block-embed__wrapper{display:flex}.wp-block-embed iframe{width:100%}.select-element{align-items:center;display:flex;position:relative}.select-element .icon{font-size:.8rem;position:absolute;right:.5rem}select{cursor:pointer;color:var(--mainC);background-color:var(--bg200);appearance:none;border:none;border-radius:6px;outline:none;width:100%;padding:4px 12px;position:relative}.tooltip{z-index:200}.tooltip .tooltip-content-wrapper{max-width:200px}.full-width{width:100%}.flex-row{flex-direction:row;display:flex}.flex-row.vertical-center{align-items:center}.flex-row.horizon-center{justify-content:center}.flex-col{flex-direction:column;display:flex}.flex-col.vertical-center{justify-content:center}.flex-col.horizon-center{align-items:center}a{color:var(--mainC);text-decoration:none}a:hover,a:focus,a:active{text-decoration:underline}a:focus{outline:thin dotted}a:hover,a:active{outline:0}button,input[type=button],input[type=reset],input[type=submit]{cursor:pointer;border:none;border-radius:6px;justify-content:center;align-items:center;gap:6px;display:flex}button{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;-khtml-user-select:none;min-height:36px}button:disabled{opacity:.4;pointer-events:none}.btn-ghost{color:var(--mainC);background-color:#0000;padding:0}.btn-ghost.c-blue{color:var(--blueC)}.btn-ghost.c-red{color:var(--redC)}.btn-ghost.c-brand{color:var(--brandC)}.btn-ghost:hover{text-decoration:underline}.btn-ghost:active{opacity:.7}.btn-card:hover{box-shadow:0 12px 40px var(--op10);transform:translateY(-4px);border-color:var(--brandC)!important}.btn-fill{cursor:pointer;border-radius:8px;padding:0 10px;position:relative;overflow:hidden}.btn-fill:after{z-index:100;content:"";pointer-events:none;background-color:#0000;width:100%;height:100%;position:absolute;top:0;left:0}.btn-fill:hover{text-decoration:none!important}.btn-fill:hover:after{background-color:var(--btnHovered)}.btn-fill:active:after{background-color:var(--btnPressed)}.btn-fill.c-el1{background-color:var(--bg200)}.btn-fill.c-el2{background-color:var(--bg250)}.btn-fill.c-el3{background-color:var(--bg300)}.btn-fill.c-el4{background-color:var(--bg350)}.btn-fill.c-el5{background-color:var(--bg400)}.btn-fill.c-none{background-color:#0000}.btn-fill.c-blue{background-color:var(--blueBg)}.btn-fill.c-red{background-color:var(--redBg)}.btn-fill.c-brand{background-color:var(--brandBg)}.btn-fill.c-blue,.btn-fill.c-red,.btn-fill.c-brand,.btn-fill.c-blue *,.btn-fill.c-red *,.btn-fill.c-brand *{color:#fff!important}.btn-fill.c-blue:hover:after,.btn-fill.c-red:hover:after,.btn-fill.c-brand:hover:after{background-color:#ffffff1a!important}.btn-fill.c-blue:active:after,.btn-fill.c-red:active:after,.btn-fill.c-brand:active:after{background-color:#fff3!important}.btn-fill.s-sharp{border-radius:0}.btn-fill.s-pill{border-radius:100px}input[type=text],input[type=email],input[type=url],input[type=password],input[type=search],input[type=number],input[type=tel],input[type=range],input[type=date],input[type=month],input[type=week],input[type=time],input[type=datetime],input[type=datetime-local],input[type=color],textarea{color:var(--mainC);border:1px solid var(--bg300);background-color:var(--bg100);border-radius:6px;outline:none;min-height:32px;padding:0 12px;font-size:.9rem;position:relative;overflow:hidden}input[type=text]:after,input[type=email]:after,input[type=url]:after,input[type=password]:after,input[type=search]:after,input[type=number]:after,input[type=tel]:after,input[type=range]:after,input[type=date]:after,input[type=month]:after,input[type=week]:after,input[type=time]:after,input[type=datetime]:after,input[type=datetime-local]:after,input[type=color]:after,textarea:after{z-index:100;content:"";pointer-events:none;background-color:#0000;width:100%;height:100%;position:absolute;top:0;left:0}input[type=text]:hover:after,input[type=email]:hover:after,input[type=url]:hover:after,input[type=password]:hover:after,input[type=search]:hover:after,input[type=number]:hover:after,input[type=tel]:hover:after,input[type=range]:hover:after,input[type=date]:hover:after,input[type=month]:hover:after,input[type=week]:hover:after,input[type=time]:hover:after,input[type=datetime]:hover:after,input[type=datetime-local]:hover:after,input[type=color]:hover:after,textarea:hover:after{background-color:var(--btnHovered)}input[type=text]:focus,input[type=email]:focus,input[type=url]:focus,input[type=password]:focus,input[type=search]:focus,input[type=number]:focus,input[type=tel]:focus,input[type=range]:focus,input[type=date]:focus,input[type=month]:focus,input[type=week]:focus,input[type=time]:focus,input[type=datetime]:focus,input[type=datetime-local]:focus,input[type=color]:focus,textarea:focus{border-color:var(--blueC)}input[type=text].c-el1,input[type=email].c-el1,input[type=url].c-el1,input[type=password].c-el1,input[type=search].c-el1,input[type=number].c-el1,input[type=tel].c-el1,input[type=range].c-el1,input[type=date].c-el1,input[type=month].c-el1,input[type=week].c-el1,input[type=time].c-el1,input[type=datetime].c-el1,input[type=datetime-local].c-el1,input[type=color].c-el1,textarea.c-el1{border:1px solid var(--bg300);background-color:var(--bg100)}input[type=text].c-el2,input[type=email].c-el2,input[type=url].c-el2,input[type=password].c-el2,input[type=search].c-el2,input[type=number].c-el2,input[type=tel].c-el2,input[type=range].c-el2,input[type=date].c-el2,input[type=month].c-el2,input[type=week].c-el2,input[type=time].c-el2,input[type=datetime].c-el2,input[type=datetime-local].c-el2,input[type=color].c-el2,textarea.c-el2{border:1px solid var(--bg350);background-color:var(--bg150)}input[type=text].c-el3,input[type=email].c-el3,input[type=url].c-el3,input[type=password].c-el3,input[type=search].c-el3,input[type=number].c-el3,input[type=tel].c-el3,input[type=range].c-el3,input[type=date].c-el3,input[type=month].c-el3,input[type=week].c-el3,input[type=time].c-el3,input[type=datetime].c-el3,input[type=datetime-local].c-el3,input[type=color].c-el3,textarea.c-el3{border:1px solid var(--bg400);background-color:var(--bg200)}input[type=text].c-el4,input[type=email].c-el4,input[type=url].c-el4,input[type=password].c-el4,input[type=search].c-el4,input[type=number].c-el4,input[type=tel].c-el4,input[type=range].c-el4,input[type=date].c-el4,input[type=month].c-el4,input[type=week].c-el4,input[type=time].c-el4,input[type=datetime].c-el4,input[type=datetime-local].c-el4,input[type=color].c-el4,textarea.c-el4{border:1px solid var(--bg450);background-color:var(--bg250)}input[type=text].c-el5,input[type=email].c-el5,input[type=url].c-el5,input[type=password].c-el5,input[type=search].c-el5,input[type=number].c-el5,input[type=tel].c-el5,input[type=range].c-el5,input[type=date].c-el5,input[type=month].c-el5,input[type=week].c-el5,input[type=time].c-el5,input[type=datetime].c-el5,input[type=datetime-local].c-el5,input[type=color].c-el5,textarea.c-el5{border:1px solid var(--bg500);background-color:var(--bg300)}input[type=date]{cursor:pointer}html,html body{min-height:100%}svg *{fill:var(--mainC)}.app{flex-direction:column;justify-content:flex-start;align-items:center;display:flex}.app.tablet .boundary{padding:0 20px}.app .page-section{justify-content:center;align-items:center;width:100%;display:flex}.app .boundary{justify-content:center;align-items:center;width:100%;max-width:1280px;padding:0 2rem;display:flex}.app .boundary.post{max-width:840px}.app .toasts-container{z-index:5000;flex-direction:column;justify-content:flex-end;align-items:center;gap:8px;padding:24px;display:flex;position:fixed;bottom:0;left:0;right:0}.app .loading-state{flex-direction:column;justify-content:center;align-items:center;display:flex}.app .loading-state.page-center{margin:auto;position:fixed;inset:0}.app .loading-state{text-align:center;padding:80px 24px}.app .loading-state .loading-spinner{border:3px solid var(--op10);border-top-color:var(--brandC);border-radius:50%;width:40px;height:40px;margin-bottom:16px;animation:.8s linear infinite spin}.app .loading-state p{color:var(--subC);margin:0}@keyframes spin{to{transform:rotate(360deg)}}
.app-bar{border-bottom:1px solid var(--op4);align-items:center;gap:12px;min-height:60px;padding:8px 12px;display:flex}.app-bar .btn-dismiss{width:40px;height:40px}
.bunny-player{background-color:var(--blackC);-webkit-user-select:none;user-select:none;width:100%;height:100%;position:relative}.bunny-player iframe{pointer-events:auto;border:none;width:100%;height:100%;position:absolute;top:0;left:0}.bunny-player .player-placeholder{background-color:var(--blackC);color:#fff9;flex-direction:column;justify-content:center;align-items:center;gap:16px;width:100%;height:100%;display:flex;position:absolute;top:0;left:0}.bunny-player .player-placeholder svg{opacity:.5}.bunny-player .player-placeholder p{font-size:var(--body200)}.bunny-player .player-placeholder .placeholder-hint{font-size:var(--body100);opacity:.5;text-align:center;max-width:300px}
.course-card{background-color:var(--bg50);border-radius:16px;text-decoration:none;transition:transform .2s,box-shadow .2s;display:block;overflow:hidden}.course-card:hover{box-shadow:0 12px 40px var(--op10);transform:translateY(-4px)}.course-card .course-thumbnail{background:linear-gradient(135deg,var(--bg100)0%,var(--bg200)100%);justify-content:center;align-items:center;height:160px;display:flex;position:relative}.course-card .course-thumbnail.free{background:linear-gradient(135deg,var(--brandBg)0%,var(--brandC)100%)}.course-card .course-badge{background-color:var(--whiteC);color:var(--brandC);font-size:var(--caption);border-radius:20px;padding:6px 12px;font-weight:700;position:absolute;top:12px;left:12px}.course-card .course-badge.premium{background-color:var(--blackC);color:var(--whiteC)}.course-card .course-info{padding:24px}.course-card .course-title{font-size:var(--head100);color:var(--mainC);margin-bottom:8px;font-weight:700}.course-card .course-description{font-size:var(--body100);color:var(--subC);margin-bottom:16px;line-height:1.5}.course-card .course-meta{font-size:var(--body100);color:var(--subC);align-items:center;gap:8px;display:flex}@media (max-width:768px){.course-card{width:100%}.course-card .course-info{padding:20px}}
.dropdown-menu{z-index:500;background-color:var(--ibg0);border-radius:8px;transition:height .2s;position:fixed;overflow:hidden;box-shadow:0 4px 8px #0000004d}.dropdown-menu .dropdown-menu-content{flex-direction:column;padding:4px 0;display:flex;overflow:hidden}.dropdown-menu .dropdown-menu-content .divider{border-bottom:1px solid var(--divider);width:100%;height:1px;margin:4px 0}.dropdown-menu .dropdown-menu-content button{justify-content:flex-start;width:100%;height:44px}.dropdown-menu .dropdown-menu-content button.destructive{color:var(--redC)}
.feature-card{background-color:var(--bg50);text-align:center;border-radius:16px;padding:32px;transition:transform .2s,box-shadow .2s}.feature-card:hover{box-shadow:0 12px 40px var(--op10);transform:translateY(-4px)}.feature-card .feature-icon{font-size:var(--head600);margin-bottom:20px}.feature-card .feature-title{font-size:var(--head200);color:var(--mainC);margin-bottom:12px;font-weight:700}.feature-card .feature-description{font-size:var(--body200);color:var(--subC);line-height:1.6}@media (max-width:768px){.feature-card{width:100%;padding:24px}}
.loader{position:relative}.loader.center{z-index:1000;margin:auto;position:fixed;inset:0}.loader .loader-stick{opacity:.1;background-color:var(--mainC)}@keyframes indicator-animation{0%{opacity:1}to{opacity:0}}
.nav-bar{z-index:100;background-color:var(--bg0);width:100%;transition:box-shadow .2s,background-color .2s;position:sticky;top:0}.nav-bar.scrolled{box-shadow:0 1px 0 var(--op10)}.nav-bar .boundary{justify-content:space-between;align-items:center;max-width:none;display:flex;padding-top:12px!important;padding-bottom:12px!important}.nav-bar .nav-brand{align-items:center;gap:10px;text-decoration:none;display:flex}.nav-bar .brand-logo *{fill:var(--brandC)!important}.nav-bar .brand-logo{flex-shrink:0}.nav-bar .brand-text{font-size:var(--head100);color:var(--mainC);font-weight:700}.nav-bar .nav-center{gap:8px;display:flex}.nav-bar .nav-link{font-size:var(--body100);color:var(--subC);border-radius:8px;padding:8px 16px;font-weight:500;text-decoration:none;transition:color .15s,background-color .15s}.nav-bar .nav-link:hover{color:var(--mainC);background-color:var(--op4)}.nav-bar .nav-link.active{color:var(--brandC)}.nav-bar .nav-right{align-items:center;gap:12px;display:flex}.nav-bar .btn-theme{width:40px;height:40px;color:var(--subC);justify-content:center;align-items:center;padding:0;display:flex}.nav-bar .btn-theme:hover{color:var(--mainC)}.nav-bar .btn-theme svg{width:18px;height:18px}.nav-bar .btn-login{font-size:var(--body100);padding:10px 20px;font-weight:600}.nav-bar .user-menu-container{position:relative}.nav-bar .user-avatar-btn{cursor:pointer;background:0 0;border:none;padding:0}.nav-bar .user-avatar{background:linear-gradient(135deg,var(--brandBg)0%,var(--brandC)100%);width:40px;height:40px;font-size:var(--body200);color:var(--whiteC);border-radius:50%;justify-content:center;align-items:center;font-weight:600;transition:transform .15s;display:flex}.nav-bar .user-avatar:hover{transform:scale(1.05)}.nav-bar .user-dropdown{background-color:var(--bg0);border:1px solid var(--op10);width:220px;box-shadow:0 8px 32px var(--op10);border-radius:12px;animation:.15s dropdownFadeIn;position:absolute;top:calc(100% + 8px);right:0;overflow:hidden}@keyframes dropdownFadeIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.nav-bar .dropdown-header{flex-direction:column;gap:4px;padding:16px;display:flex}.nav-bar .user-name{font-size:var(--body200);color:var(--mainC);font-weight:600}.nav-bar .user-email{font-size:var(--body100);color:var(--subC);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.nav-bar .dropdown-divider{background-color:var(--op10);height:1px}.nav-bar .dropdown-item{width:100%;font-size:var(--body100);color:var(--mainC);cursor:pointer;background:0 0;border:none;justify-content:flex-start;align-items:center;gap:12px;padding:12px 16px;text-decoration:none;transition:background-color .15s;display:flex}.nav-bar .dropdown-item:hover{background-color:var(--op4)}.nav-bar .dropdown-item svg{color:var(--subC)}@media (max-width:768px){.nav-bar .nav-center{display:none}.nav-bar .brand-text{font-size:var(--body200)}.nav-bar .btn-login{font-size:var(--body100);padding:8px 16px}.nav-bar .user-dropdown{right:-8px}}
.newsletter-form{display:flex}.newsletter-form .form-content{flex-direction:column;align-items:flex-start;gap:12px;display:flex}.newsletter-form .input-wrapper{background-color:var(--bg50);border:1px solid #0000;border:1px solid var(--op10);border-radius:100px;align-items:center;min-width:330px;max-width:400px;padding:6px;transition:border-color .15s;display:flex}.newsletter-form .input-wrapper:hover{background-color:var(--bg100)}.newsletter-form .input-wrapper:focus-within{border-color:var(--brandC)}.newsletter-form .form-input{font-size:var(--body200);color:var(--mainC);background:0 0;border:none;border-radius:100px;flex:1;padding:10px 16px}.newsletter-form .form-input::placeholder{color:var(--placeholder)}.newsletter-form .form-input:focus{outline:none}.newsletter-form .form-input:disabled{cursor:not-allowed}.newsletter-form .form-input.error{color:var(--redC)}.newsletter-form .form-button{font-size:var(--body200);white-space:nowrap;border-radius:100px;flex-shrink:0;justify-content:center;align-items:center;padding:10px 20px;font-weight:600;display:flex}.newsletter-form .form-button:disabled{opacity:.7;cursor:not-allowed}.newsletter-form .loading-spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:18px;height:18px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.newsletter-form .error-text{font-size:var(--body100);color:var(--redC);text-align:center}.newsletter-form.success .success-content{align-items:center;gap:8px;display:flex}.newsletter-form.success .success-content *{color:var(--greenC)!important}.newsletter-form.success .success-message{font-size:var(--body200)}
.overlay-backdrop{background-color:var(--mbd);z-index:1000;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.overlay-backdrop.hide{opacity:0;pointer-events:none;transition:opacity .2s ease-in-out}.overlay-backdrop.hide .overlay{transform:translateY(300px)}.overlay-backdrop.mobile{align-items:flex-end}.overlay-backdrop .overlay{background-color:var(--mbg0);border-radius:12px;width:100%;transition:transform .2s ease-in-out;box-shadow:0 4px 8px #00000040}.overlay-backdrop .overlay .overlay-footer{gap:8px;padding:16px;display:flex}.overlay-backdrop .overlay .overlay-footer button{flex:1;height:44px}
.review-card{background-color:var(--bg50);border:1px solid var(--op10);border-radius:16px;flex-shrink:0;min-width:320px;max-width:320px;padding:24px;transition:border-color .2s,box-shadow .2s}.review-card:hover{background-color:var(--bg100)}.review-card .review-header{align-items:center;gap:12px;margin-bottom:16px;display:flex}.review-card .reviewer-avatar{border:1px solid var(--brandC);background:linear-gradient(135deg,var(--bg0)0%,var(--bg100)100%);width:44px;height:44px;font-size:var(--head100);color:var(--brandC);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:600;display:flex}.review-card .reviewer-info{flex-direction:column;gap:4px;display:flex}.review-card .reviewer-name{font-size:var(--body200);color:var(--mainC);font-weight:600}.review-card .review-rating{gap:0;display:flex}.review-card .review-rating .star{font-size:var(--body100);color:var(--op20)}.review-card .review-rating .star.filled{color:#fbbf24}.review-card .review-content{font-size:var(--body100);color:var(--subC);-webkit-line-clamp:4;-webkit-box-orient:vertical;line-height:1.6;display:-webkit-box;overflow:hidden}
.system-popup .overlay-body{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:24px;display:flex}.system-popup .overlay-body .popup-content{flex-direction:column;gap:8px;width:100%;display:flex}.system-popup .overlay-body input{width:100%;height:44px}.system-popup .overlay-footer{border-top:1px solid var(--bg200)}.system-popup .overlay-footer .btn-submit{color:var(--blueC)}.system-popup .overlay-footer .btn-submit.destructive{color:var(--redC)}
.toast{opacity:0;border-radius:6px;padding:4px 12px;transition:all .2s ease-in-out;transform:translateY(100px);box-shadow:0 3px 6px #0003}.toast.show{opacity:1;transform:translate(0,0)}.toast.POSITIVE{color:#fff;background-color:var(--greenBg)}.toast.NEGATIVE{color:#fff;background-color:var(--redBg)}.toast.NEUTRAL{color:var(--mainC);background-color:var(--ibg0)}
.footer{border-top:1px solid var(--op10);justify-content:center;width:100%;padding:48px 0;display:flex}.footer .boundary{flex-direction:column;align-items:center}.footer .footer-content{text-align:center}.footer .footer-brand{margin-bottom:24px}.footer .footer-logo{font-size:var(--head200);color:var(--mainC);font-weight:700}.footer .footer-tagline{font-size:var(--body100);color:var(--subC);margin-top:4px}.footer .footer-links{justify-content:center;gap:24px;margin-bottom:24px;display:flex}.footer .footer-links a{font-size:var(--body100);color:var(--subC);text-decoration:none}.footer .footer-links a:hover{color:var(--brandC)}.footer .footer-copyright{font-size:var(--body100);color:var(--subC)}
.about-section{justify-content:center;width:100%;padding:80px 0;display:flex}.about-section.has-bg{background:var(--bg50)}.about-section .boundary{flex-direction:column;align-items:center}.about-section .about-content{flex-direction:column;gap:40px;width:100%;max-width:720px;display:flex}.about-section .about-header{align-items:center;gap:24px;display:flex}.about-section .avatar-image{object-fit:cover;border:1px solid var(--op10);border-radius:50%;flex-shrink:0;width:80px;height:80px}.about-section .about-intro{flex-direction:column;gap:4px;display:flex}.about-section .about-title{font-size:var(--head300);color:var(--mainC);font-weight:700}.about-section .about-subtitle{font-size:var(--body200);color:var(--subC)}.about-section .about-story p,.about-section .about-philosophy p{font-size:var(--body200);color:var(--subC);margin-bottom:16px;line-height:1.8}.about-section .about-story p:last-child,.about-section .about-philosophy p:last-child{margin-bottom:0}.about-section .about-story p strong,.about-section .about-philosophy p strong{color:var(--mainC);font-weight:600}.about-section .about-story .inline-link,.about-section .about-philosophy .inline-link{color:var(--brandC);border-bottom:1px solid #0000;text-decoration:none;transition:border-color .2s}.about-section .about-story .inline-link:hover,.about-section .about-philosophy .inline-link:hover{border-bottom-color:var(--brandC)}.about-section .about-story .inline-link strong,.about-section .about-philosophy .inline-link strong{color:inherit}.about-section .about-philosophy{border-top:1px solid var(--op10);padding-top:24px}.about-section .about-philosophy h3{font-size:var(--head100);color:var(--mainC);margin-bottom:16px;font-weight:600}.about-section .about-footer{border-top:1px solid var(--op10);padding-top:24px}.about-section .about-footer p{font-size:var(--body200);color:var(--subC);margin-bottom:16px}.about-section .threads-link{background:var(--bg0);border:1px solid var(--op10);color:var(--mainC);font-size:var(--body100);border-radius:100px;align-items:center;gap:8px;padding:12px 20px;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.about-section .threads-link svg{color:var(--brandC)}.about-section .threads-link:hover{border-color:var(--brandC);background:var(--op4)}@media (max-width:600px){.about-section{padding:60px 0}.about-section .about-header{text-align:center;flex-direction:column}.about-section .about-intro{align-items:center}.about-section .about-content{text-align:center}.about-section .about-title{font-size:var(--head300)}}
.course-item{text-decoration:none;transition:transform .2s,box-shadow .2s,border-color .2s}.course-item.minimal{flex-shrink:0;align-items:center;gap:12px;padding:16px 20px;display:flex}.course-item.minimal .course-badge{font-size:var(--caption);text-transform:uppercase;border-radius:4px;padding:4px 8px;font-weight:600}.course-item.minimal .course-badge.free{background:var(--greenBg);color:var(--whiteC)}.course-item.minimal .course-badge.premium{background:var(--brandBg);color:var(--whiteC)}.course-item.minimal .course-name{font-size:var(--body200);color:var(--mainC);white-space:nowrap;font-weight:600}.course-item.minimal .course-duration{font-size:var(--body100);color:var(--subC);white-space:nowrap}.course-item.default{background-color:var(--bg0);border:1px solid var(--op10);border-radius:12px;flex-direction:column;padding:0;display:flex;overflow:hidden}.course-item.default:hover{box-shadow:0 12px 40px var(--op10);transform:translateY(-4px)}.course-item.default .course-thumbnail{text-align:center;background:linear-gradient(#1a1a2e 0%,#16213e 100%);flex-direction:column;justify-content:center;align-items:center;height:160px;padding:24px;display:flex;position:relative}.course-item.default .course-thumbnail.free{background:linear-gradient(#0d4d3d 0%,#166534 100%)}.course-item.default .course-thumbnail img{object-fit:cover;width:100%;height:100%;position:absolute;top:0;left:0}.course-item.default .course-thumbnail .thumbnail-placeholder{flex-direction:column;align-items:center;gap:12px;display:flex}.course-item.default .course-thumbnail .thumbnail-placeholder .thumbnail-icon{font-size:var(--head500)}.course-item.default .course-thumbnail .thumbnail-placeholder .thumbnail-title{font-size:var(--head100);color:var(--whiteC);font-weight:700;line-height:1.3}.course-item.default .course-badge{display:none}.course-item.default .course-info{flex-direction:column;flex:1;padding:20px;display:flex}.course-item.default .course-title{font-size:var(--head100);color:var(--brandC);margin-bottom:8px;font-weight:600;line-height:1.4}.course-item.default .course-description{font-size:var(--body100);color:var(--subC);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:1;line-height:1.5;display:-webkit-box;overflow:hidden}.course-item.default .course-footer{justify-content:flex-end;align-items:center;margin-top:auto;padding-top:16px;display:flex}.course-item.default .course-price{font-size:var(--body200);color:var(--mainC);font-weight:700}@media (max-width:640px){.course-item.default .course-thumbnail{height:160px}}
.article-item{text-decoration:none;transition:all .2s}.article-item.minimal{border-bottom:1px solid var(--op8);grid-template-columns:100px 80px 1fr auto;gap:16px;padding:16px;display:grid}.article-item.minimal:last-child{border-bottom:none}.article-item.minimal:hover{background:var(--bg50)}.article-item.minimal .article-category{font-size:var(--body100);color:var(--brandC);font-weight:500}.article-item.minimal .article-title{font-size:var(--body100);color:var(--mainC);text-overflow:ellipsis;white-space:nowrap;flex:1;font-weight:500;overflow:hidden}.article-item.minimal .article-date{font-size:var(--body100);color:var(--subC)}.article-item.minimal .article-views{font-size:var(--body100);opacity:.5;align-items:center;gap:4px;display:flex}.article-item.minimal .article-views span{text-align:left;width:20px}@media (max-width:768px){.article-item.minimal{grid-template-columns:1fr;gap:8px}.article-item.minimal .article-category{order:2}.article-item.minimal .article-title{white-space:normal;order:3}.article-item.minimal .article-date{text-align:left;order:1}}.article-item.default{background:var(--bg50);border:1px solid var(--op8);border-radius:12px;justify-content:space-between;align-items:flex-start;gap:24px;padding:24px;display:flex}.article-item.default:hover{border-color:var(--brandC);box-shadow:0 4px 12px var(--op8)}.article-item.default .article-content{flex:1}.article-item.default .article-category{background:var(--op8);font-size:var(--body100);color:var(--brandC);border-radius:4px;margin-bottom:12px;padding:4px 10px;font-weight:500;display:inline-block}.article-item.default .article-title{font-size:var(--head100);color:var(--mainC);margin-bottom:8px;font-weight:600;line-height:1.4}.article-item.default .article-description{font-size:var(--body100);color:var(--subC);line-height:1.5}.article-item.default .article-meta{flex-direction:column;flex-shrink:0;align-items:flex-end;gap:4px;display:flex}.article-item.default .article-date,.article-item.default .article-read-time{font-size:var(--body100);color:var(--subC);white-space:nowrap}@media (max-width:768px){.article-item.default{flex-direction:column;gap:16px}.article-item.default .article-meta{flex-direction:row;align-items:center;width:100%}.article-item.default .article-date:after{content:"·";margin:0 8px}}
.landing-page section{justify-content:center;width:100%;display:flex}.landing-page .hero-section{padding:80px 0 60px}.landing-page .hero-section .boundary{align-items:center;gap:60px}.landing-page .hero-section .hero-left{flex-direction:column;flex:1;align-items:flex-start;display:flex}.landing-page .hero-section .hero-right{flex-shrink:0;width:380px}.landing-page .hero-section .hero-badge{background-color:var(--op8);font-size:var(--body100);color:var(--brandC);border-radius:100px;margin-bottom:24px;padding:6px 16px;font-weight:500;display:inline-block}.landing-page .hero-section .hero-title{font-size:var(--head600);color:var(--mainC);margin-bottom:24px;font-weight:700;line-height:1.2}.landing-page .hero-section .hero-title .highlight{color:var(--brandC)}.landing-page .hero-section .hero-description{font-size:var(--head100);color:var(--subC);margin-bottom:32px;line-height:1.6}.landing-page .hero-section .featured-course-card{background:var(--bg50);border:1px solid var(--op10);box-shadow:0 4px 24px var(--op8);border-radius:20px;padding:32px}.landing-page .hero-section .featured-course-card .course-badge{background:linear-gradient(135deg,var(--brandC)0%,var(--brandBg)100%);color:var(--whiteC);font-size:var(--body100);border-radius:100px;margin-bottom:20px;padding:6px 12px;font-weight:600;display:inline-block}.landing-page .hero-section .featured-course-card .course-title{font-size:var(--head300);color:var(--mainC);margin-bottom:12px;font-weight:700;line-height:1.3}.landing-page .hero-section .featured-course-card .course-description{font-size:var(--body200);color:var(--subC);margin-bottom:16px;line-height:1.5}.landing-page .hero-section .featured-course-card .course-topics{flex-wrap:wrap;gap:6px;margin-bottom:20px;display:flex}.landing-page .hero-section .featured-course-card .topic-chip{background:var(--op8);font-size:var(--caption);color:var(--brandC);border-radius:100px;padding:4px 10px;font-weight:500}.landing-page .hero-section .featured-course-card .course-pricing{margin-bottom:20px}.landing-page .hero-section .featured-course-card .course-pricing .price{font-size:var(--head400);color:var(--mainC);font-weight:700}.landing-page .hero-section .featured-course-card .btn-course-detail{background:linear-gradient(135deg,var(--brandC)0%,var(--brandBg)100%);width:100%;color:var(--whiteC);font-size:var(--body200);text-align:center;cursor:pointer;border:none;border-radius:12px;padding:14px 24px;font-weight:600;text-decoration:none;transition:transform .2s,box-shadow .2s;display:block}.landing-page .hero-section .featured-course-card .btn-course-detail:hover{box-shadow:0 4px 16px var(--op20);transform:translateY(-2px)}@media (max-width:900px){.landing-page .hero-section .boundary{text-align:center;flex-direction:column}.landing-page .hero-section .hero-left{align-items:center;width:100%}.landing-page .hero-section .hero-right{width:100%}}@media (max-width:600px){.landing-page .hero-section{padding:60px 0 40px}.landing-page .hero-section .hero-title{font-size:var(--head500)}.landing-page .hero-section .hero-description{font-size:var(--body200)}.landing-page .hero-section .featured-course-card{padding:24px}.landing-page .hero-section .featured-course-card .course-title{font-size:var(--head200)}.landing-page .hero-section .featured-course-card .course-pricing .price{font-size:var(--head300)}}.landing-page .features-section{padding:80px 0}.landing-page .features-section .boundary{flex-direction:column}.landing-page .features-section .features-grid{grid-template-columns:repeat(3,1fr);gap:32px;width:100%;max-width:1000px;margin:0 auto;display:grid}.landing-page .courses-section-compact{padding:60px 0 40px}.landing-page .courses-section-compact .boundary{flex-direction:column}.landing-page .courses-section-compact .section-header-row{justify-content:space-between;align-items:center;width:100%;margin-bottom:20px;display:flex}.landing-page .courses-section-compact .section-title{font-size:var(--head300);color:var(--mainC);font-weight:700}.landing-page .courses-section-compact .view-all-link{font-size:var(--body100);color:var(--brandC);font-weight:500;text-decoration:none}.landing-page .courses-section-compact .view-all-link:hover{text-decoration:underline}.landing-page .courses-section-compact .courses-row{gap:16px;width:100%;padding-bottom:8px;display:flex;overflow-x:auto}.landing-page .courses-section-compact .courses-row::-webkit-scrollbar{height:4px}.landing-page .courses-section-compact .courses-row::-webkit-scrollbar-track{background:var(--op8);border-radius:2px}.landing-page .courses-section-compact .courses-row::-webkit-scrollbar-thumb{background:var(--op20);border-radius:2px}@media (max-width:768px){.landing-page .courses-section-compact .courses-row{flex-direction:column}.landing-page .courses-section-compact .courses-row .course-item{width:100%}}.landing-page .articles-section{padding:40px 0 60px}.landing-page .articles-section .boundary{flex-direction:column}.landing-page .articles-section .section-header-row{justify-content:space-between;align-items:center;width:100%;margin-bottom:20px;display:flex}.landing-page .articles-section .section-title{font-size:var(--head300);color:var(--mainC);font-weight:700}.landing-page .articles-section .view-all-link{font-size:var(--body100);color:var(--brandC);font-weight:500;text-decoration:none}.landing-page .articles-section .view-all-link:hover{text-decoration:underline}.landing-page .articles-section .articles-table{border:1px solid var(--op10);border-radius:12px;flex-direction:column;width:100%;display:flex;overflow:hidden}.landing-page .courses-section{background-color:var(--bg50);padding:80px 0}.landing-page .courses-section .boundary{flex-direction:column;align-items:center}.landing-page .courses-section .section-header{text-align:center;margin-bottom:48px}.landing-page .courses-section .section-title{font-size:var(--head500);color:var(--mainC);margin-bottom:16px;font-weight:700}.landing-page .courses-section .section-description{font-size:var(--head100);color:var(--subC)}.landing-page .courses-section .courses-grid{grid-template-columns:repeat(2,1fr);gap:24px;width:100%;max-width:800px;display:grid}.landing-page .courses-section .courses-grid .course-card{background-color:var(--bg0)}.landing-page .courses-section .courses-cta{text-align:center;margin-top:40px}.landing-page .reviews-section{flex-direction:column;gap:20px;padding:60px 0;overflow:hidden}.landing-page .reviews-marquee{width:100%;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 5% 95%,#0000);mask-image:linear-gradient(90deg,#0000,#000 5% 95%,#0000)}.landing-page .reviews-marquee.reverse .marquee-track{animation-name:marquee-reverse}.landing-page .marquee-track{gap:20px;width:max-content;animation:100s linear infinite marquee;display:flex}.landing-page .marquee-track:hover{animation-play-state:paused}@keyframes marquee{0%{transform:translate(0%)}to{transform:translate(-50%)}}@keyframes marquee-reverse{0%{transform:translate(-50%)}to{transform:translate(0%)}}.landing-page .newsletter-section{background-color:var(--bg50);padding:80px 0}.landing-page .newsletter-section .boundary{flex-direction:column;align-items:center}.landing-page .newsletter-section .newsletter-card{background-color:var(--bg0);max-width:560px;box-shadow:0 4px 24px var(--op6);border-radius:24px;padding:48px}@media (max-width:768px){.landing-page .hero-section{padding:60px 0 40px}.landing-page .hero-section .hero-title{font-size:var(--head500)}.landing-page .hero-section .hero-description{font-size:var(--body200)}.landing-page .hero-section .hero-description br{display:none}.landing-page .hero-section .hero-actions{flex-direction:column;align-items:center}.landing-page .hero-section .hero-actions .btn-primary,.landing-page .hero-section .hero-actions .btn-secondary{width:100%;max-width:280px}.landing-page .features-section{padding:60px 0}.landing-page .features-section .features-grid{grid-template-columns:1fr;gap:16px}.landing-page .courses-section{padding:60px 0}.landing-page .courses-section .section-title{font-size:var(--head400)}.landing-page .courses-section .courses-grid{grid-template-columns:1fr}.landing-page .newsletter-section{padding:60px 0}.landing-page .newsletter-section .newsletter-card{padding:32px 24px}}
.no-match{width:100%;height:100%;display:flex}.no-match .content{flex-direction:column;justify-content:center;align-items:center;margin:auto;display:flex;position:absolute;inset:0}.no-match .content h1{font-size:3rem}.no-match .content .btn-fill{align-items:center;height:44px;margin-top:16px;padding:16px;display:flex}
.error-page{justify-content:center;align-items:center;min-height:calc(100vh - 200px);padding:40px 20px;display:flex}.error-content{text-align:center;max-width:400px}.error-code{font-size:var(--head800);color:var(--brandC);margin-bottom:16px;font-weight:700}.error-message{font-size:var(--head300);color:var(--mainC);margin-bottom:12px;font-weight:600}.error-description{font-size:var(--body200);color:var(--subC);margin-bottom:32px;line-height:1.6}
.articles-page .boundary{flex-direction:column;padding-top:40px;padding-bottom:80px}.articles-page .page-content{width:100%}.articles-page .articles-header{margin-bottom:40px}.articles-page .page-title{font-size:var(--head500);color:var(--mainC);margin-bottom:12px;font-weight:700}.articles-page .page-description{font-size:var(--body200);color:var(--subC);line-height:1.6}.articles-page .category-tabs{flex-wrap:wrap;gap:8px;margin-bottom:24px;display:flex}.articles-page .category-tab{border:1px solid var(--op10);color:var(--subC);font-size:var(--body100);cursor:pointer;background:0 0;border-radius:100px;padding:8px 16px;font-weight:500;transition:all .2s}.articles-page .category-tab:hover{border-color:var(--brandC);color:var(--brandC)}.articles-page .category-tab.active{background:var(--brandC);border-color:var(--brandC);color:var(--whiteC)}.articles-page .articles-list-header{font-size:var(--body100);color:var(--subC);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--op10);grid-template-columns:100px 80px 1fr;gap:16px;padding:12px 16px;font-weight:600;display:grid}@media (max-width:768px){.articles-page .articles-list-header{display:none}}.articles-page .articles-list{flex-direction:column;display:flex}.articles-page .empty-state{text-align:center;color:var(--subC);padding:60px 20px}@media (max-width:768px){.articles-page .page-title{font-size:var(--head400)}}
.article-page .article-container{width:100%}.article-page .boundary{flex-direction:column;align-items:center;padding-top:40px;padding-bottom:80px}.article-page .article-not-found{text-align:center;padding:80px 20px}.article-page .article-not-found h1{font-size:var(--head300);color:var(--mainC);margin-bottom:24px}.article-page .back-link{font-size:var(--body100);color:var(--subC);align-items:center;margin-bottom:32px;text-decoration:none;transition:color .2s;display:inline-flex}.article-page .back-link:hover{color:var(--brandC)}.article-page .article-header{width:100%;max-width:720px;margin:0 auto}.article-page .article-meta-top{flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:20px;display:flex}.article-page .article-category{background:var(--brandC);color:var(--whiteC);font-size:var(--caption);border-radius:4px;padding:6px 12px;font-weight:600}.article-page .article-date,.article-page .article-read-time{font-size:var(--body100);color:var(--subC)}.article-page .article-title{font-size:var(--head500);color:var(--mainC);margin-bottom:16px;font-weight:700;line-height:1.3}.article-page .article-description{font-size:var(--head100);color:var(--subC);margin-bottom:32px;line-height:1.6}.article-page .article-author{border-bottom:1px solid var(--op10);align-items:center;gap:12px;margin-bottom:40px;padding-bottom:32px;display:flex}.article-page .author-avatar{border-radius:50%;width:40px;height:40px}.article-page .author-info{flex-direction:column;display:flex}.article-page .author-name{font-size:var(--body200);color:var(--mainC);font-weight:600}.article-page .author-role{font-size:var(--body100);color:var(--subC)}.article-page .article-content{width:100%;max-width:720px;margin:0 auto}.article-page .article-content h2{font-size:var(--head300);color:var(--mainC);margin-top:48px;margin-bottom:20px;font-weight:700;line-height:1.4}.article-page .article-content h2:first-child{margin-top:0}.article-page .article-content h3{font-size:var(--head100);color:var(--mainC);margin-top:32px;margin-bottom:16px;font-weight:600;line-height:1.4}.article-page .article-content p{font-size:var(--head100);color:var(--subC);margin-bottom:20px;line-height:1.85}.article-page .article-content p strong{color:var(--mainC);font-weight:600}.article-page .article-content ul,.article-page .article-content ol{margin-bottom:24px;padding-left:24px}.article-page .article-content ul li,.article-page .article-content ol li{font-size:var(--head100);color:var(--subC);margin-bottom:8px;line-height:1.7}.article-page .article-content ul li:last-child,.article-page .article-content ol li:last-child{margin-bottom:0}.article-page .article-content ul{list-style-type:disc}.article-page .article-content ol{list-style-type:decimal}.article-page .article-content blockquote{background:var(--bg50);border-left:4px solid var(--brandC);border-radius:0 8px 8px 0;margin:32px 0;padding:20px 24px}.article-page .article-content blockquote p{margin-bottom:0;font-style:italic}.article-page .article-content code{background:var(--op8);font-family:SF Mono,Consolas,monospace;font-size:var(--body200);border-radius:4px;padding:2px 6px}.article-page .article-content pre{background:var(--bg100);border-radius:12px;margin:24px 0;padding:20px;overflow-x:auto}.article-page .article-content pre code{background:0 0;padding:0}.article-page .article-footer{border-top:1px solid var(--op10);width:100%;max-width:720px;margin:48px auto 0;padding-top:40px}.article-page .share-section{justify-content:space-between;align-items:center;margin-bottom:48px;display:flex}.article-page .share-label{font-size:var(--body200);color:var(--subC)}.article-page .share-buttons{gap:8px;display:flex}.article-page .share-btn{background:var(--bg50);border:1px solid var(--op10);font-size:var(--body100);color:var(--mainC);cursor:pointer;border-radius:8px;padding:8px 16px;transition:all .2s}.article-page .share-btn:hover{border-color:var(--brandC);color:var(--brandC)}.article-page .related-articles h3{font-size:var(--head100);color:var(--mainC);margin-bottom:20px;font-weight:600}.article-page .related-list{flex-direction:column;gap:12px;display:flex}.article-page .related-item{background:var(--bg50);border-radius:12px;align-items:center;gap:16px;padding:16px;text-decoration:none;transition:all .2s;display:flex}.article-page .related-item:hover{background:var(--op8);transform:translate(4px)}.article-page .related-category{background:var(--op8);font-size:var(--caption);color:var(--brandC);border-radius:4px;flex-shrink:0;padding:4px 8px;font-weight:500}.article-page .related-title{font-size:var(--body200);color:var(--mainC);font-weight:500}@media (max-width:768px){.article-page .article-title{font-size:var(--head400)}.article-page .article-description{font-size:var(--body200)}.article-page .article-content h2{font-size:var(--head300)}.article-page .article-content h3{font-size:var(--head100)}.article-page .article-content p,.article-page .article-content ul li,.article-page .article-content ol li{font-size:var(--body200)}.article-page .share-section{flex-direction:column;align-items:flex-start;gap:16px}}
.auth{background-color:var(--bg50);justify-content:center;align-items:center;min-height:calc(100vh - 64px);padding:48px 0;display:flex}.auth .boundary{justify-content:center}.auth .content{background-color:var(--bg0);width:100%;max-width:400px;box-shadow:0 4px 24px var(--op8);border-radius:20px;padding:48px 40px}.auth .auth-header{text-align:center;margin-bottom:32px}.auth .auth-title{font-size:var(--head400);color:var(--mainC);margin-bottom:8px;font-weight:700}.auth .auth-description{font-size:var(--body200);color:var(--subC)}.auth .form{flex-direction:column;gap:16px;display:flex}.auth .btn-google{border:1px solid var(--op20);width:100%;font-size:var(--body200);color:var(--mainC);border-radius:12px;justify-content:center;align-items:center;gap:12px;padding:14px 20px;font-weight:500;transition:border-color .15s,background-color .15s;display:flex}.auth .btn-google:hover{border-color:var(--op40);background-color:var(--op4)}.auth .btn-google:disabled{opacity:.6;cursor:not-allowed}.auth .error-message{font-size:var(--body100);color:var(--redC);background-color:#d2000014;border-radius:10px;align-items:center;gap:8px;padding:12px 16px;display:flex}.auth .error-message svg{flex-shrink:0}@media (max-width:480px){.auth{padding:24px 0}.auth .content{border-radius:16px;padding:32px 24px}.auth .auth-title{font-size:var(--head300)}}
.auth-callback{background-color:var(--bg50);justify-content:center;align-items:center;min-height:calc(100vh - 64px);padding:48px 0;display:flex}.auth-callback .boundary{justify-content:center}.auth-callback .content{background-color:var(--bg0);width:100%;max-width:400px;box-shadow:0 4px 24px var(--op8);text-align:center;border-radius:20px;padding:48px 40px}.auth-callback .success-state{flex-direction:column;align-items:center;gap:24px;display:flex}.auth-callback .success-icon{width:80px;height:80px;color:var(--greenC);background-color:#008d271a;border-radius:50%;justify-content:center;align-items:center;display:flex}.auth-callback .error-state{flex-direction:column;align-items:center;gap:16px;display:flex}.auth-callback .error-icon{width:80px;height:80px;color:var(--redC);background-color:#d200001a;border-radius:50%;justify-content:center;align-items:center;display:flex}.auth-callback .error-title{font-size:var(--head100);color:var(--mainC);margin:0;font-weight:600}.auth-callback .error-message{font-size:var(--body100);color:var(--subC);margin:0}.auth-callback .callback-message{font-size:var(--body200);color:var(--subC);margin:0}@media (max-width:480px){.auth-callback{padding:24px 0}.auth-callback .content{border-radius:16px;padding:32px 24px}.auth-callback .loading-spinner{width:32px;height:32px}.auth-callback .success-icon,.auth-callback .error-icon{width:64px;height:64px}.auth-callback .error-title{font-size:var(--body200)}}
.checkout-page{background-color:var(--bg50);min-height:calc(100vh - 64px);padding:48px 0 80px}.checkout-page .boundary{justify-content:center}.checkout-page .checkout-container{width:100%;max-width:640px}.checkout-page .checkout-header{margin-bottom:32px}.checkout-page .back-link{font-size:var(--body100);color:var(--subC);margin-bottom:16px;text-decoration:none;display:inline-block}.checkout-page .back-link:hover{color:var(--brandC)}.checkout-page .checkout-title{font-size:var(--head400);color:var(--mainC);font-weight:700}.checkout-page .checkout-content{flex-direction:column;gap:24px;display:flex}.checkout-page .section-title{font-size:var(--head100);color:var(--mainC);margin-bottom:20px;font-weight:600}.checkout-page .order-summary{background-color:var(--bg0);border-radius:16px;padding:24px}.checkout-page .course-item{border-bottom:1px solid var(--op10);gap:16px;margin-bottom:20px;padding-bottom:20px;display:flex}.checkout-page .course-thumbnail{background:linear-gradient(135deg,var(--brandBg)0%,var(--brandC)100%);border-radius:8px;flex-shrink:0;width:100px;height:60px;overflow:hidden}.checkout-page .course-thumbnail img{object-fit:cover;width:100%;height:100%}.checkout-page .course-details{flex:1}.checkout-page .course-title{font-size:var(--body200);color:var(--mainC);margin-bottom:4px;font-weight:600}.checkout-page .course-price{font-size:var(--body200);color:var(--subC)}.checkout-page .price-breakdown{flex-direction:column;gap:12px;display:flex}.checkout-page .price-row{font-size:var(--body200);color:var(--subC);justify-content:space-between;display:flex}.checkout-page .price-row.total{border-top:1px solid var(--op10);font-size:var(--head100);color:var(--mainC);padding-top:12px;font-weight:600}.checkout-page .payment-section{background-color:var(--bg0);border-radius:16px;padding:24px}.checkout-page .payment-methods{gap:12px;margin-bottom:24px;display:flex}.checkout-page .payment-method{border:2px solid var(--op20);font-size:var(--body200);color:var(--subC);cursor:pointer;border-radius:12px;flex:1;justify-content:center;align-items:center;gap:8px;padding:16px;font-weight:500;transition:border-color .15s,color .15s;display:flex}.checkout-page .payment-method.active{border-color:var(--brandC);color:var(--brandC)}.checkout-page .payment-method:hover:not(.active){border-color:var(--op40)}.checkout-page .error-message{font-size:var(--body100);color:var(--redC);background-color:#d2000014;border-radius:10px;align-items:center;gap:8px;margin-bottom:20px;padding:12px 16px;display:flex}.checkout-page .btn-pay{width:100%;font-size:var(--body200);border-radius:12px;margin-bottom:16px;padding:16px;font-weight:600}.checkout-page .payment-notice{font-size:var(--body100);color:var(--subC);text-align:center}@media (max-width:640px){.checkout-page{padding:24px 0 60px}.checkout-page .checkout-title{font-size:var(--head300)}.checkout-page .order-summary,.checkout-page .payment-section{padding:20px}}
.success-page{background-color:var(--bg50);justify-content:center;align-items:center;min-height:calc(100vh - 64px);padding:48px 0;display:flex}.success-page .boundary{justify-content:center}.success-page .success-card{background-color:var(--bg0);text-align:center;width:100%;max-width:480px;box-shadow:0 4px 24px var(--op8);border-radius:24px;padding:48px}.success-page .success-icon{width:80px;height:80px;color:var(--greenC);background-color:#008d271a;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 24px;display:flex}.success-page .success-title{font-size:var(--head300);color:var(--mainC);margin-bottom:16px;font-weight:700}.success-page .success-description{font-size:var(--body200);color:var(--subC);margin-bottom:32px;line-height:1.6}.success-page .success-description strong{color:var(--mainC)}.success-page .success-actions{flex-direction:column;gap:12px;display:flex}.success-page .btn-primary,.success-page .btn-secondary{font-size:var(--body200);padding:14px 24px;font-weight:600}.success-page .btn-secondary{border:1px solid var(--op20);color:var(--mainC)}@media (max-width:480px){.success-page{padding:24px 0}.success-page .success-card{padding:32px 24px}.success-page .success-title{font-size:var(--head300)}}
.courses-page{min-height:calc(100vh - 64px);padding:48px 0 80px}.courses-page .boundary{flex-direction:column;max-width:1200px;margin:0 auto}.courses-page .page-header{text-align:center;margin-bottom:48px}.courses-page .page-title{font-size:var(--head500);color:var(--mainC);margin-bottom:12px;font-weight:700}.courses-page .page-description{font-size:var(--head100);color:var(--subC)}.courses-page .empty-state{color:var(--subC);padding:80px 0}.courses-page .courses-grid{grid-template-columns:repeat(3,1fr);gap:24px;width:100%;display:grid}@media (max-width:1024px){.courses-page .courses-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.courses-page{padding:32px 0 60px}.courses-page .page-title{font-size:var(--head400)}.courses-page .page-description{font-size:var(--body200)}.courses-page .courses-grid{grid-template-columns:1fr;gap:16px}}
.course-detail-page{min-height:calc(100vh - 64px);padding:40px 0 80px}.course-detail-page .course-layout{gap:48px;max-width:1200px;margin:0 auto;padding:0 2rem;display:flex}.course-detail-page .course-main{flex:1;min-width:0}.course-detail-page .course-sidebar{flex-shrink:0;width:360px}.course-detail-page .course-thumbnail{aspect-ratio:16/9;background:linear-gradient(135deg,var(--bg100)0%,var(--bg200)100%);border-radius:16px;width:100%;margin-bottom:32px;overflow:hidden}.course-detail-page .course-thumbnail img{object-fit:cover;width:100%;height:100%}.course-detail-page .course-thumbnail .thumbnail-placeholder{width:100%;height:100%;color:var(--subC);justify-content:center;align-items:center;display:flex}.course-detail-page .course-header{margin-bottom:32px}.course-detail-page .course-title{font-size:var(--head500);color:var(--mainC);margin-bottom:16px;font-weight:700;line-height:1.3}.course-detail-page .course-description{font-size:var(--body200);color:var(--subC);line-height:1.7}.course-detail-page .course-tabs{border-bottom:1px solid var(--op10);gap:8px;margin-bottom:24px;display:flex}.course-detail-page .tab-button{font-size:var(--body200);color:var(--subC);cursor:pointer;background:0 0;border:none;padding:12px 16px;font-weight:500;transition:color .2s;position:relative}.course-detail-page .tab-button:hover,.course-detail-page .tab-button.active{color:var(--mainC)}.course-detail-page .tab-button.active:after{content:"";background:var(--brandC);height:2px;position:absolute;bottom:-1px;left:0;right:0}.course-detail-page .tab-content{min-height:300px}.course-detail-page .intro-content,.course-detail-page .reviews-content,.course-detail-page .faq-content{color:var(--subC);padding:20px 0}.course-detail-page .curriculum-content{flex-direction:column;gap:12px;display:flex}.course-detail-page .chapter-accordion{border:1px solid var(--op10);border-radius:12px;overflow:hidden}.course-detail-page .chapter-header{background:var(--bg50);cursor:pointer;border:none;justify-content:space-between;align-items:center;width:100%;padding:20px 24px;transition:background .2s;display:flex}.course-detail-page .chapter-header:hover{background:var(--bg100)}.course-detail-page .chapter-header.expanded .chapter-arrow{transform:rotate(180deg)}.course-detail-page .chapter-title{font-size:var(--body200);color:var(--mainC);font-weight:600}.course-detail-page .chapter-arrow{color:var(--subC);transition:transform .2s}.course-detail-page .chapter-lessons{border-top:1px solid var(--op10)}.course-detail-page .lesson-row{border-bottom:1px solid var(--op8);color:inherit;justify-content:space-between;align-items:center;padding:16px 24px;text-decoration:none;transition:background-color .2s;display:flex}.course-detail-page .lesson-row:last-child{border-bottom:none}.course-detail-page .lesson-row:not(.lesson-locked){cursor:pointer}.course-detail-page .lesson-row:not(.lesson-locked):hover{background-color:var(--op4)}.course-detail-page .lesson-row.lesson-locked{opacity:.6;cursor:not-allowed}.course-detail-page .lesson-info{align-items:center;gap:12px;display:flex}.course-detail-page .lesson-lock{width:20px;height:20px;color:var(--subC);justify-content:center;align-items:center;display:flex}.course-detail-page .lesson-number{font-size:var(--body100);color:var(--subC);min-width:28px}.course-detail-page .lesson-title{font-size:var(--body200);color:var(--mainC)}.course-detail-page .lesson-meta{align-items:center;gap:12px;display:flex}.course-detail-page .preview-badge{background:var(--brandC);color:var(--whiteC);font-size:var(--caption);border-radius:4px;padding:4px 10px;font-weight:500}.course-detail-page .lesson-duration{font-size:var(--body100);color:var(--subC);text-align:right;min-width:50px}.course-detail-page .lesson-item-wrapper{border-bottom:1px solid var(--op8);flex-direction:column;display:flex}.course-detail-page .lesson-item-wrapper:last-child{border-bottom:none}.course-detail-page .lesson-progress-bar{background-color:var(--op8);height:3px;position:relative;overflow:hidden}.course-detail-page .lesson-progress-bar .progress-fill{background:linear-gradient(90deg,var(--brandC)0%,var(--brandC)100%);height:100%;transition:width .3s}.course-detail-page .lesson-progress-bar .progress-complete{font-size:var(--caption);color:var(--brandC);white-space:nowrap;font-weight:600;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.course-detail-page .purchase-card{background:var(--bg50);border:1px solid var(--op10);border-radius:16px;padding:32px;position:sticky;top:100px}.course-detail-page .price-section{margin-bottom:20px}.course-detail-page .price{font-size:var(--head500);color:var(--mainC);font-weight:700}.course-detail-page .btn-purchase{background:var(--brandC);width:100%;color:var(--whiteC);font-size:var(--body200);text-align:center;cursor:pointer;border:none;border-radius:8px;margin-bottom:24px;padding:16px;font-weight:600;text-decoration:none;transition:background .2s;display:block}.course-detail-page .btn-purchase:hover{background:var(--brandBg)}.course-detail-page .features-list{flex-direction:column;gap:16px;margin:0;padding:0;list-style:none;display:flex}.course-detail-page .features-list li{font-size:var(--body100);color:var(--subC);align-items:center;gap:12px;display:flex}.course-detail-page .features-list li svg{color:var(--brandC);flex-shrink:0}@media (max-width:1024px){.course-detail-page .course-layout{flex-direction:column}.course-detail-page .course-sidebar{order:-1;width:100%}.course-detail-page .purchase-card{position:static}}@media (max-width:640px){.course-detail-page{padding:24px 0 60px}.course-detail-page .course-layout{padding:0 20px}.course-detail-page .course-thumbnail{border-radius:12px;margin-bottom:24px}.course-detail-page .course-title{font-size:var(--head300)}.course-detail-page .course-tabs{-webkit-overflow-scrolling:touch;overflow-x:auto}.course-detail-page .course-tabs::-webkit-scrollbar{display:none}.course-detail-page .tab-button{white-space:nowrap;font-size:var(--body100);padding:12px}.course-detail-page .chapter-header{padding:16px}.course-detail-page .chapter-title{font-size:var(--body200)}.course-detail-page .lesson-row{flex-wrap:wrap;gap:8px;padding:12px 16px}.course-detail-page .lesson-info{flex:1;min-width:0}.course-detail-page .lesson-title{font-size:var(--body100)}.course-detail-page .purchase-card{padding:24px}.course-detail-page .price{font-size:var(--head400)}}
.lesson-page{flex-direction:column;flex:1;width:100%;display:flex;position:relative;overflow:hidden;min-height:100vh!important;max-height:100vh!important}.lesson-page .access-denied{text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;padding:80px 24px;display:flex}.lesson-page .access-denied .denied-icon{font-size:var(--head700);margin-bottom:24px}.lesson-page .access-denied h2{font-size:var(--head300);color:var(--mainC);margin-bottom:12px;font-weight:600}.lesson-page .access-denied p{font-size:var(--body200);color:var(--subC);margin-bottom:32px}.lesson-page .access-denied .btn-fill{font-size:var(--body200);padding:14px 28px;font-weight:600}.lesson-page .lesson-top-header{border-bottom:1px solid var(--op10);background-color:var(--bg0);z-index:40;flex-shrink:0;align-items:center;width:100%;height:64px;padding:0 24px;display:flex}.lesson-page .lesson-top-header .header-left{align-items:center;gap:16px;width:100%;display:flex}.lesson-page .lesson-top-header .btn-back{width:40px;height:40px;color:var(--mainC);cursor:pointer;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;transition:background-color .2s;display:flex}.lesson-page .lesson-top-header .btn-back:hover{background-color:var(--op8)}.lesson-page .lesson-top-header .header-title{font-size:var(--body200);color:var(--mainC);text-overflow:ellipsis;white-space:nowrap;margin:0;font-weight:600;overflow:hidden}.lesson-page .lesson-content-wrapper{flex:1;width:100%;display:flex;overflow:hidden}.lesson-page .lesson-sidebar{border-right:1px solid var(--op10);flex-direction:column;flex-shrink:0;width:300px;min-height:100%;display:flex;overflow-y:auto}.lesson-page .lesson-sidebar.open{display:flex}.lesson-page .sidebar-header{border-bottom:1px solid var(--op10);justify-content:space-between;align-items:center;padding:20px;display:flex}.lesson-page .sidebar-header h3{font-size:var(--body200);color:var(--mainC);font-weight:600}.lesson-page .sidebar-header .btn-close{width:32px;height:32px;color:var(--subC);cursor:pointer;background:0 0;border:none;border-radius:6px;justify-content:center;align-items:center;display:flex}.lesson-page .sidebar-header .btn-close:hover{background-color:var(--op8);color:var(--mainC)}.lesson-page .sidebar-lessons{flex-direction:column;flex:1;padding:8px;display:flex;overflow-y:auto}.lesson-page .chapter-group{margin-bottom:16px}.lesson-page .chapter-title{border-bottom:1px solid var(--op10);margin-bottom:8px;padding:12px 12px 8px}.lesson-page .chapter-title .chapter-label{font-size:var(--caption);color:var(--subC);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.lesson-page .chapter-lessons{flex-direction:column;gap:2px;display:flex}.lesson-page .sidebar-lesson{color:var(--mainC);font-size:var(--body100);border-radius:8px;align-items:center;gap:12px;padding:10px 12px;text-decoration:none;transition:background-color .15s;display:flex}.lesson-page .sidebar-lesson:hover{background-color:var(--op8)}.lesson-page .sidebar-lesson.active{background-color:var(--brandBg)}.lesson-page .sidebar-lesson.active *{color:var(--whiteC)}.lesson-page .sidebar-lesson.active .lesson-num{color:var(--whiteC);background-color:#fff3}.lesson-page .lesson-progress-indicator{flex-shrink:0;justify-content:center;align-items:center;margin-left:auto;display:flex}.lesson-page .lesson-progress-indicator .progress-text{font-size:var(--caption);color:var(--brandC);font-weight:600}.lesson-page .lesson-num{background-color:var(--bg100);width:26px;height:26px;font-size:var(--caption);color:var(--subC);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:600;display:flex}.lesson-page .lesson-name{font-size:var(--body100);text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.4;display:-webkit-box;overflow:hidden}.lesson-page .lesson-main{flex-direction:column;flex:1;min-width:0;min-height:100%;display:flex;overflow-y:auto}.lesson-page .video-container{background-color:var(--bg50);aspect-ratio:16/9;width:100%}.lesson-page .video-placeholder{justify-content:center;align-items:center;width:100%;height:100%;display:flex}.lesson-page .video-placeholder .placeholder-content{color:#fff9;flex-direction:column;align-items:center;gap:16px;display:flex}.lesson-page .video-placeholder .placeholder-content svg{opacity:.4}.lesson-page .video-placeholder .placeholder-content p{font-size:var(--head100);font-weight:500}.lesson-page .video-placeholder .placeholder-content span{font-size:var(--body100);opacity:.6}.lesson-page .lesson-info{flex:1;padding:32px 40px}.lesson-page .lesson-header{margin-bottom:24px}.lesson-page .lesson-meta{align-items:center;gap:12px;margin-bottom:12px;display:flex}.lesson-page .course-link{font-size:var(--body100);color:var(--brandC);text-decoration:none}.lesson-page .course-link:hover{text-decoration:underline}.lesson-page .lesson-number{font-size:var(--body100);color:var(--subC)}.lesson-page .lesson-number:before{content:"•";margin-right:12px}.lesson-page .lesson-title{font-size:var(--head300);color:var(--mainC);margin-bottom:8px;font-weight:700;line-height:1.3}.lesson-page .lesson-description{font-size:var(--body200);color:var(--subC);line-height:1.6}.lesson-page .lesson-nav{border-top:1px solid var(--op10);border-bottom:1px solid var(--op10);justify-content:space-between;gap:16px;margin-bottom:24px;padding:20px 0;display:flex}.lesson-page .nav-btn{font-size:var(--body100);border-radius:8px;align-items:center;gap:8px;padding:10px 18px;font-weight:600;text-decoration:none;display:flex}.lesson-page .nav-btn .material-symbols-rounded{flex-shrink:0}.lesson-page .lesson-content .content-title{font-size:var(--head100);color:var(--mainC);margin-bottom:16px;font-weight:600}.lesson-page .lesson-content .content-body{font-size:var(--body200);color:var(--mainC);line-height:1.8}.lesson-page .lesson-content .content-body h1,.lesson-page .lesson-content .content-body h2,.lesson-page .lesson-content .content-body h3,.lesson-page .lesson-content .content-body h4{color:var(--mainC);margin-top:28px;margin-bottom:12px;font-weight:600}.lesson-page .lesson-content .content-body p{margin-bottom:14px}.lesson-page .lesson-content .content-body code{background-color:var(--bg100);font-family:monospace;font-size:var(--body100);border-radius:4px;padding:2px 6px}.lesson-page .lesson-content .content-body pre{background-color:var(--bg100);border-radius:8px;margin-bottom:14px;padding:16px;overflow-x:auto}.lesson-page .lesson-content .content-body pre code{background:0 0;padding:0}.lesson-page .lesson-content .content-body ul,.lesson-page .lesson-content .content-body ol{margin-bottom:14px;padding-left:24px}.lesson-page .lesson-content .content-body li{margin-bottom:6px}.lesson-page .lesson-content .content-body img{border-radius:8px;max-width:100%;margin:14px 0}.lesson-page .btn-sidebar-toggle{background-color:var(--bg0);border:1px solid var(--op20);width:44px;height:44px;color:var(--mainC);cursor:pointer;box-shadow:0 4px 16px var(--op10);z-index:10;border-radius:50%;justify-content:center;align-items:center;display:none;position:fixed;top:50%;left:24px;transform:translateY(-50%)}.lesson-page .btn-sidebar-toggle:hover{background-color:var(--bg50)}@media (max-width:1024px){.lesson-page .lesson-sidebar{z-index:50;height:100vh;box-shadow:4px 0 24px var(--op10);display:none;position:fixed;top:0;left:0}.lesson-page .lesson-sidebar.open,.lesson-page .btn-sidebar-toggle{display:flex}}@media (max-width:768px){.lesson-page .lesson-info{padding:24px 20px}.lesson-page .lesson-title{font-size:var(--head300)}.lesson-page .lesson-nav{flex-direction:column}.lesson-page .lesson-nav .nav-btn{justify-content:center}.lesson-page .lesson-sidebar{width:280px}}@media (max-width:480px){.lesson-page .lesson-sidebar{width:100%}}
.mypage{min-height:calc(100vh - 64px);padding:48px 0 80px}.mypage .boundary{flex-direction:column;align-items:center}.mypage .mypage-container{width:100%;max-width:800px}.mypage .profile-section{background-color:var(--bg50);border-radius:20px;align-items:center;gap:24px;margin-bottom:32px;padding:32px;display:flex}.mypage .profile-avatar{background:linear-gradient(135deg,var(--brandBg)0%,var(--brandC)100%);width:80px;height:80px;font-size:var(--head500);color:var(--whiteC);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.mypage .profile-info{flex:1}.mypage .profile-name{font-size:var(--head300);color:var(--mainC);margin-bottom:4px;font-weight:700}.mypage .profile-email{font-size:var(--body100);color:var(--subC);margin-bottom:12px}.mypage .btn-edit{font-size:var(--body100);color:var(--brandC)}.mypage .profile-edit{flex-direction:column;gap:12px;display:flex}.mypage .profile-input{border:1px solid var(--op20);font-size:var(--body200);color:var(--mainC);background-color:var(--bg0);border-radius:10px;padding:12px 16px}.mypage .profile-input:focus{border-color:var(--brandC);outline:none}.mypage .edit-actions{gap:8px;display:flex}.mypage .btn-save,.mypage .btn-cancel{font-size:var(--body100);border-radius:8px;padding:10px 20px;font-weight:600}.mypage .btn-cancel{border:1px solid var(--op20)}.mypage .tabs{border-bottom:1px solid var(--op10);gap:8px;margin-bottom:24px;padding-bottom:16px;display:flex}.mypage .tab{font-size:var(--body200);color:var(--subC);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:10px 20px;font-weight:500;transition:color .15s,background-color .15s}.mypage .tab:hover{color:var(--mainC);background-color:var(--op4)}.mypage .tab.active{color:var(--brandC);background-color:#0f9a691a}.mypage .tab-content{min-height:300px}.mypage .empty-state{text-align:center;flex-direction:column;align-items:center;padding:60px 24px;display:flex}.mypage .empty-state .empty-icon{font-size:var(--head600);margin-bottom:16px}.mypage .empty-state h3{font-size:var(--head100);color:var(--mainC);margin-bottom:8px;font-weight:600}.mypage .empty-state p{font-size:var(--body100);color:var(--subC);margin-bottom:24px}.mypage .empty-state .btn-fill{font-size:var(--body100);padding:12px 24px;font-weight:600}.mypage .my-courses{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.mypage .course-card{background-color:var(--bg50);border-radius:12px;gap:16px;padding:16px;text-decoration:none;transition:background-color .15s;display:flex}.mypage .course-card:hover{background-color:var(--bg100)}.mypage .course-thumbnail{background:linear-gradient(135deg,var(--brandBg)0%,var(--brandC)100%);border-radius:8px;flex-shrink:0;width:80px;height:60px;overflow:hidden}.mypage .course-thumbnail img{object-fit:cover;width:100%;height:100%}.mypage .course-info{flex-direction:column;flex:1;justify-content:center;display:flex}.mypage .course-title{font-size:var(--body200);color:var(--mainC);margin-bottom:4px;font-weight:600;line-height:1.3}.mypage .course-status{font-size:var(--body100);color:var(--brandC)}.mypage .settings-section{background-color:var(--bg50);border-radius:16px;margin-bottom:16px;padding:24px}.mypage .settings-section.danger{border:1px solid var(--op10);background-color:var(--bg0)}.mypage .settings-title{font-size:var(--body200);color:var(--mainC);margin-bottom:16px;font-weight:600}.mypage .settings-item{border-bottom:1px solid var(--op8);justify-content:space-between;padding:12px 0;display:flex}.mypage .settings-item:last-child{border-bottom:none}.mypage .settings-label{font-size:var(--body100);color:var(--subC)}.mypage .settings-value{font-size:var(--body100);color:var(--mainC)}.mypage .settings-description{font-size:var(--body100);color:var(--subC);margin-bottom:16px}.mypage .btn-logout{font-size:var(--body100);border:1px solid var(--redC);color:var(--redC);border-radius:8px;padding:10px 20px;font-weight:500}.mypage .btn-logout:hover{background-color:#d2000014}@media (max-width:768px){.mypage{padding:32px 0 60px}.mypage .profile-section{text-align:center;flex-direction:column;padding:24px}.mypage .my-courses{grid-template-columns:1fr}}
.newsletter-page .newsletter-hero{text-align:center;padding:80px 0}.newsletter-page .newsletter-hero .boundary{flex-direction:column;align-items:center}.newsletter-page .newsletter-hero .hero-content{flex-direction:column;align-items:center;max-width:640px;display:flex}.newsletter-page .newsletter-hero .hero-eyebrow{background:var(--op8);font-size:var(--body100);color:var(--brandC);border-radius:100px;margin-bottom:24px;padding:8px 16px;font-weight:500;display:inline-block}.newsletter-page .newsletter-hero .hero-title{font-size:var(--head600);color:var(--mainC);margin-bottom:20px;font-weight:700;line-height:1.2}.newsletter-page .newsletter-hero .hero-title .highlight{color:var(--brandC)}.newsletter-page .newsletter-hero .hero-subtitle{font-size:var(--head200);color:var(--subC);margin-bottom:40px;line-height:1.6}.newsletter-page .newsletter-hero .hero-form{max-width:480px;margin:0 auto 24px}.newsletter-page .newsletter-hero .hero-note{font-size:var(--body100);color:var(--subC);margin-top:20px}.newsletter-page .newsletter-benefits{background:var(--bg50);width:100%;padding:80px 0}.newsletter-page .newsletter-benefits .boundary{flex-direction:column;align-items:center}.newsletter-page .newsletter-benefits .section-title{font-size:var(--head400);color:var(--mainC);text-align:center;margin-bottom:48px;font-weight:700}.newsletter-page .newsletter-benefits .benefits-grid{grid-template-columns:repeat(2,1fr);gap:24px;width:100%;max-width:800px;display:grid}.newsletter-page .newsletter-benefits .benefit-card{background:var(--bg0);border:1px solid var(--op8);border-radius:16px;padding:32px;transition:all .2s}.newsletter-page .newsletter-benefits .benefit-card:hover{border-color:var(--brandC);box-shadow:0 8px 24px var(--op8);transform:translateY(-4px)}.newsletter-page .newsletter-benefits .benefit-icon{font-size:var(--head500);margin-bottom:16px}.newsletter-page .newsletter-benefits .benefit-card h3{font-size:var(--head100);color:var(--mainC);margin-bottom:12px;font-weight:600}.newsletter-page .newsletter-benefits .benefit-card p{font-size:var(--body200);color:var(--subC);line-height:1.6}.newsletter-page .newsletter-author{padding:80px 0}.newsletter-page .newsletter-author .boundary{justify-content:center}.newsletter-page .newsletter-author .author-card{background:var(--bg50);border-radius:20px;align-items:center;gap:24px;max-width:600px;padding:32px;display:flex}.newsletter-page .newsletter-author .author-avatar{background:linear-gradient(135deg,var(--brandC)0%,var(--brandBg)100%);width:80px;height:80px;font-size:var(--head500);color:var(--whiteC);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;display:flex}.newsletter-page .newsletter-author .author-info h3{font-size:var(--head200);color:var(--mainC);margin-bottom:4px;font-weight:700}.newsletter-page .newsletter-author .author-role{font-size:var(--body100);color:var(--brandC);margin-bottom:12px}.newsletter-page .newsletter-author .author-bio{font-size:var(--body200);color:var(--subC);line-height:1.6}.newsletter-page .newsletter-cta .boundary{justify-content:center}.newsletter-page .newsletter-cta .cta-content{text-align:center;background:linear-gradient(135deg,var(--brandC)0%,var(--brandBg)100%);border-top-left-radius:20px;border-top-right-radius:20px;flex-direction:column;align-items:center;width:100%;padding:40px;display:flex}.newsletter-page .newsletter-cta .cta-content h2{font-size:var(--head500);color:var(--whiteC);margin-bottom:12px;font-weight:700}.newsletter-page .newsletter-cta .cta-content p{font-size:var(--head100);color:#ffffffd9;margin-bottom:32px}@media (max-width:768px){.newsletter-page .newsletter-hero{padding:60px 0}.newsletter-page .newsletter-hero .hero-title{font-size:var(--head500)}.newsletter-page .newsletter-hero .hero-subtitle{font-size:var(--head100)}.newsletter-page .newsletter-benefits{padding:60px 0}.newsletter-page .newsletter-benefits .benefits-grid{grid-template-columns:1fr}.newsletter-page .newsletter-benefits .benefit-card{padding:24px}.newsletter-page .newsletter-author{padding:60px 0}.newsletter-page .newsletter-author .author-card{text-align:center;flex-direction:column;padding:24px}.newsletter-page .newsletter-cta .boundary{padding:0}.newsletter-page .newsletter-cta .cta-content h2{font-size:var(--head300)}}
.examples{flex-flow:column wrap;align-items:center;gap:24px;width:100%;padding:24px 0;display:flex}.examples .action-group{gap:8px;display:flex}.examples .btn-dropdown.bottom{position:fixed;bottom:24px}.examples .btn-dropdown.bottom.right{right:24px}.examples .btn-dropdown.bottom.left{left:24px}
.overlay.example .overlay-body{flex-direction:column;gap:12px;padding:24px;display:flex}.overlay.example .overlay-body input{width:100%;height:44px}