/* HMB EDU v2: catalog uses the document's scrollbar, never a nested frame. */
.featured-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.course-card{display:flex;flex-direction:column;border-radius:12px}.cover{height:auto;aspect-ratio:16/9;padding:0;flex-shrink:0}.cover img{position:static;display:block;width:100%;height:100%;object-fit:cover}.course-body{padding:14px 17px 16px;display:flex;flex-direction:column;flex:1}.course-body h3{font-size:15px;line-height:1.4;height:42px;min-height:42px;overflow:hidden;margin:5px 0}.course-body>.meta{font-size:10px}.course-body>.muted{font-size:11px}.course-meta{display:flex;flex-direction:column;align-items:flex-start;gap:5px;border:0;padding:0;margin-top:8px}.rating{font-size:14px;color:#986016}.rating b{font-size:16px}.rating>span{letter-spacing:1px}.rating small{font-size:11px;color:var(--muted)}.unrated{color:var(--muted);font-size:12px}.price-line{display:flex;align-items:baseline;gap:9px;flex-wrap:wrap}.price-line>strong{font-size:17px}.price-line del,.catalog-price del{color:var(--muted);font-weight:400;font-size:12px}.course-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;min-height:24px}.tag{padding:3px 7px;border-radius:4px;font-size:10px;font-weight:700;line-height:1.5}.tag-sales{background:#c4eaf0;color:#165763}.tag-rating{background:#ffe4b5;color:#77450b}.tag-new{background:#c6eadd;color:#1e6049}.tag-trending{background:#ffdbdb;color:#8b3434}.collection-tabs{display:flex;gap:24px;flex-wrap:wrap;border-bottom:1px solid var(--line);margin:25px 0 20px}.collection-tabs a{font-size:14px;color:var(--muted);padding:10px 0}.collection-tabs [aria-current]{border-bottom:3px solid var(--blue);font-weight:700;color:var(--text)}.browse-all{margin-top:28px}.cart-nav{font-size:13px;white-space:nowrap;font-weight:650}.header-inner{gap:22px}.header nav{gap:20px}.header-search{min-width:170px}.catalog-form{margin-bottom:55px}.catalog-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:30px;margin-top:28px;align-items:start}.filter-sidebar{border-top:1px solid var(--line)}.filter-sidebar>summary{padding:12px 15px;border:1px solid var(--line);border-radius:7px;background:var(--paper);font-weight:650;cursor:pointer}.filter-group{border-bottom:1px solid var(--line);padding:14px 0}.filter-group>summary{font-weight:650;font-size:13px;cursor:pointer}.filter-group label{font-weight:400;font-size:11px;margin:12px 0 0}.filter-group select,.filter-group input{font-size:12px}.filter-groups>.button{margin-top:20px}.clear-filters{display:block;text-align:center;margin:12px;font-size:12px}.catalog-toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:15px}.catalog-toolbar label{margin:0;min-width:190px;font-size:11px}.catalog-toolbar>span{margin-left:auto;font-size:12px;color:var(--muted)}.catalog-toolbar>.button{margin-top:20px}.quick-tags{margin:10px 0 20px}.quick-tags a{font-size:11px;padding:6px 10px}.quick-tags [aria-current]{background:var(--tint);border-color:var(--blue)}.catalog-course{display:grid;grid-template-columns:240px minmax(0,1fr) 110px;gap:20px;border-bottom:1px solid var(--line);padding:22px 0;align-items:start}.catalog-image{display:block;aspect-ratio:16/9;border-radius:9px;overflow:hidden}.catalog-image img{width:100%;height:100%;object-fit:cover}.catalog-description h3{font-size:17px;margin:0 0 5px;line-height:1.4}.catalog-description h3 a{color:var(--text)}.catalog-description p{font-size:12px;line-height:1.5;margin-bottom:5px}.catalog-description>.muted{font-size:11px}.catalog-description>small{font-size:11px;display:block;margin-top:4px}.catalog-price{text-align:right;white-space:nowrap;display:flex;flex-direction:column;font-size:15px}.access-label{color:var(--blue)}.catalog-layout:has(>.filter-sidebar:not([open])){grid-template-columns:100px minmax(0,1fr)}.purchase{padding:24px}.purchase-frame{height:510px}.purchase .price-line>strong{font-size:30px}.price.price-line>strong{font-size:29px}.price.price-line del{font-size:15px}.course-hero{grid-template-columns:minmax(0,1fr) 330px;gap:32px}.detail-grid{grid-template-columns:minmax(0,1fr) 330px;gap:32px}.cart-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;margin-bottom:60px;align-items:start}.cart-row{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.cart-row>img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px}.cart-row h3{font-size:18px}.cart-row form{margin-top:14px}.cart-total{margin-top:24px}.cart-total .price{font-size:28px}.cart-total form{margin-bottom:18px}.theme-picker{display:flex;gap:8px;align-items:end}.theme-picker label{font-size:11px;margin:0}.theme-picker select{font-size:12px;padding:5px;min-height:35px}.footer{flex-wrap:wrap}.chat-widget>summary{width:54px;height:54px;border-radius:50%;padding:0;display:grid;place-items:center;font-size:25px}.chat-widget>summary span::after{content:none!important}.chat-widget[open]>summary{border-radius:50%}.chat-close-icon{display:none}.chat-widget[open] .chat-open-icon{display:none}.chat-widget[open] .chat-close-icon{display:block}.chat-open-icon{font-size:0;border:2px solid currentColor;border-radius:8px;width:24px;height:20px;position:relative}.chat-open-icon::before{content:'•••';font-size:12px;line-height:12px;position:absolute;left:3px;top:0}.chat-open-icon::after{content:'';position:absolute;bottom:-6px;left:3px;width:6px;height:6px;border-left:2px solid currentColor;transform:skewY(-35deg)}.chat-window{bottom:68px;border-radius:16px;width:350px}.chat-title{background:#079dac;color:#fff}.chat-title small{color:#d4f5f6}.chat-frame{height:460px;padding:0}.frame-body:has(.chat-scroll){padding:0;height:100dvh;display:flex;flex-direction:column;overflow:hidden;background:var(--paper)}.chat-scroll{flex:1;overflow-y:auto;padding:17px;min-height:0}.chat-bottom{margin:0;padding:12px;border-top:1px solid var(--line);background:var(--paper);flex-shrink:0}.chat-question{font-size:12px;background:#dff3f4;color:#214e58}.chat-answer{font-size:12px;background:var(--bg)}.faq-browser{margin-top:22px}.chat-greeting{font-size:13px;border-radius:12px;background:var(--bg);padding:13px;max-width:90%}.faq-option{font-size:12px;background:var(--paper);border-color:var(--line)}
html[data-theme=light]{color-scheme:light;--bg:#f7f9fc;--paper:#fff;--text:#18283e;--muted:#617086;--line:#e0e7f0;--blue:#255ac8;--blue-hover:#1847a5;--tint:#edf3ff;--green:#18735a;--shadow:0 12px 40px #183c7310}
html[data-theme=dark]{color-scheme:dark;--bg:#111b2b;--paper:#1b293e;--text:#e7eef8;--muted:#adbbce;--line:#354963;--blue:#98baff;--blue-hover:#b2cbff;--tint:#263b60;--green:#8dd6b2;--shadow:0 12px 40px #0002}
html[data-theme=dark] .button,html[data-theme=dark] .brand-mark,html[data-theme=dark] .chat-widget>summary{color:#142a51}html[data-theme=dark] .button.secondary{color:var(--blue)}html[data-theme=dark] .rating{color:#f4bd64}html[data-theme=dark] input,html[data-theme=dark] select,html[data-theme=dark] textarea{border-color:#526078}html[data-theme=dark] .chat-question{background:#25494e;color:#d0f1ec}html[data-theme=dark] .notice{background:#18392e;color:#b4e2c9;border-color:#406553}html[data-theme=dark] .notice.error{background:#442a30;color:#f0b9c1;border-color:#774d59}
html[data-theme=light] .button,html[data-theme=light] .brand-mark,html[data-theme=light] .chat-widget>summary{color:#fff}html[data-theme=light] .button.secondary{color:var(--blue)}html[data-theme=light] .rating{color:#986016}html[data-theme=light] input,html[data-theme=light] select,html[data-theme=light] textarea{border-color:#cdd7e4}html[data-theme=light] .notice{background:#e6f3ec;color:#205c44;border-color:#b8dbcb}html[data-theme=light] .notice.error{background:#fbecec;color:#933d3d;border-color:#edc6c6}
@media(max-width:1150px){.catalog-course{grid-template-columns:190px minmax(0,1fr) 95px;gap:15px}.catalog-layout{grid-template-columns:205px minmax(0,1fr);gap:22px}.header nav{gap:12px}.header-inner{gap:15px}.header-search{min-width:0}.catalog-description h3{font-size:15px}}
@media(max-width:760px){.featured-grid{grid-template-columns:1fr}.catalog-layout,.catalog-layout:has(>.filter-sidebar:not([open])){grid-template-columns:1fr;gap:20px}.filter-groups{padding:0 16px 15px;background:var(--paper);border:1px solid var(--line);border-radius:8px}.catalog-course{grid-template-columns:115px minmax(0,1fr);gap:13px}.catalog-price{grid-column:2;text-align:left;flex-direction:row;gap:8px;align-items:baseline}.catalog-description p{display:none}.catalog-description h3{font-size:14px}.catalog-description .rating{font-size:12px}.catalog-description .rating b{font-size:13px}.catalog-image{aspect-ratio:4/3}.course-tags{gap:4px}.tag{font-size:9px}.collection-tabs{gap:12px}.collection-tabs a{font-size:12px}.cover{height:auto;aspect-ratio:16/9}.course-body h3{font-size:16px}.course-hero,.detail-grid,.cart-layout{grid-template-columns:1fr}.cart-row{grid-template-columns:110px minmax(0,1fr);gap:15px}.cart-row h3{font-size:15px}.cart-row>img{aspect-ratio:4/3}.cart-total{margin-top:0}.chat-window{width:min(350px,calc(100vw - 32px))}.chat-frame{height:min(460px,calc(100dvh - 180px))}.header .cart-nav{margin-left:auto;font-size:12px}.header-search{display:none}.theme-picker{width:100%}.follow-frame{height:280px}}

.star-meter{position:relative;display:inline-block;white-space:nowrap;line-height:1.2;vertical-align:baseline}.star-meter>span{position:absolute;left:0;top:0;overflow:hidden;white-space:nowrap;height:100%}.avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit}.teacher-links>a>span:nth-child(2){min-width:0}.teacher-links small{display:block}.teacher-links .rating{font-size:12px}.teacher-links .rating b{font-size:13px}.purchase-frame{height:385px}.course-hero{align-items:start}.chat-widget>summary .chat-open-icon::after{content:''!important}

.star-fill-0{width:0%}.star-fill-5{width:5%}.star-fill-10{width:10%}.star-fill-15{width:15%}.star-fill-20{width:20%}.star-fill-25{width:25%}.star-fill-30{width:30%}.star-fill-35{width:35%}.star-fill-40{width:40%}.star-fill-45{width:45%}.star-fill-50{width:50%}.star-fill-55{width:55%}.star-fill-60{width:60%}.star-fill-65{width:65%}.star-fill-70{width:70%}.star-fill-75{width:75%}.star-fill-80{width:80%}.star-fill-85{width:85%}.star-fill-90{width:90%}.star-fill-95{width:95%}.star-fill-100{width:100%}
.footer{padding-bottom:100px}.course-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:32px;align-items:start}.course-intro{padding:4px 0 30px}.course-intro h1{font-size:38px;line-height:1.2;letter-spacing:-1px;margin:16px 0 22px}.course-intro p{font-size:16px;line-height:1.75;margin-bottom:24px}.course-side>.purchase{margin-bottom:24px}.detail-cover{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:9px;margin-bottom:22px}.course-detail-layout .purchase{padding:20px}.course-side .paper{padding:24px}.course-main{min-width:0}.course-side{min-width:0}
@media(max-width:760px){.course-detail-layout{grid-template-columns:1fr}.course-intro h1{font-size:30px}.course-side{grid-row:2}.course-detail-layout .purchase{margin-bottom:24px}}

/* PHP navigation returns filter/tab actions to the catalog; pagination has no fragment. */
#course-list{scroll-margin-top:100px}@media(max-width:760px){#course-list{scroll-margin-top:145px}}
.header-theme{display:flex;gap:3px;align-items:center;padding:3px;border:1px solid var(--line);border-radius:24px;margin:0;flex-shrink:0}.header-theme button{width:32px;height:32px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--muted);font-size:20px;cursor:pointer}.header-theme button[aria-pressed=true]{background:var(--tint);color:var(--blue)}.header-inner{gap:16px}.auth-page{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:70px;align-items:center;padding:55px 0 65px;max-width:1050px;margin:auto}.auth-intro h1{font-size:42px;line-height:1.15;letter-spacing:-1px;margin:18px 0}.auth-intro p{max-width:460px}.auth-intro img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:18px;margin-top:20px}.auth-panel{margin:0;padding:32px}.auth-panel h2{font-size:27px;margin-bottom:8px}.auth-panel form{margin-top:25px}.auth-panel label{margin-bottom:18px}.auth-switch{text-align:center;font-size:13px;margin:22px 0 0}.auth-switch a{font-weight:700}.auth-panel .demo-accounts{font-size:12px}.auth-panel summary{cursor:pointer}.course-card,.catalog-course,.button,.account-link,.header-theme button,.tag,.chips a,.collection-tabs a{transition:background-color .18s,border-color .18s,box-shadow .18s,transform .18s,color .18s}.course-card:focus-within,.catalog-course:focus-within{outline:2px solid var(--blue);outline-offset:4px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
@media(hover:hover){.course-card:hover{transform:translateY(-4px);border-color:var(--blue);box-shadow:0 12px 28px #183c7320}.catalog-course:hover{background:var(--tint);border-color:var(--blue)}.button:hover{transform:translateY(-2px);box-shadow:0 5px 14px #183c7325;filter:brightness(.96)}.button.secondary:hover,.header-theme button:hover,.account-link:hover{background:var(--tint);color:var(--blue);box-shadow:0 0 0 1px var(--blue)}.tag:hover,.chips a:hover{transform:translateY(-2px);box-shadow:0 2px 0 var(--blue)}.collection-tabs a:hover{color:var(--blue);box-shadow:inset 0 -2px var(--blue)}.header nav a:hover,.cart-nav:hover{text-decoration:underline;text-underline-offset:5px}}
@media(max-width:1100px){.header-inner{gap:12px}.auth-page{gap:30px}.auth-intro h1{font-size:35px}}
@media(max-width:760px){.auth-page{grid-template-columns:1fr;gap:24px;padding:28px 0}.auth-intro img{display:none}.auth-intro h1{font-size:30px}.auth-panel{padding:24px}.header-inner{gap:8px}.header-theme button{width:27px;height:27px;font-size:18px}.header .brand{font-size:18px}.header .brand-mark{width:30px;height:34px}.header .account-link{padding:7px 9px;font-size:11px}.header .cart-nav{font-size:11px}}
@media(prefers-reduced-motion:reduce){.course-card,.catalog-course,.button,.account-link,.header-theme button,.tag,.chips a,.collection-tabs a{transition:none;transform:none!important}}