:root{--ink:#182722;--muted:#617069;--green:#126448;--green-dark:#0b4833;--lime:#d8ee96;--paper:#f6f7f3;--line:#dce2db;--white:#fff;--amber:#86551a;--red:#ad3333;--radius:10px;--shadow:0 12px 35px #18372b0c}
*{box-sizing:border-box}body{margin:0;font:15px/1.55 "Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--white)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}a:hover{color:var(--green)}:focus-visible{outline:3px solid #cd8c20;outline-offset:3px}h1,h2,h3,h4,p{margin-top:0}h1{font-size:36px;line-height:1.2;letter-spacing:-1px;margin-bottom:16px}h2{font-size:25px;line-height:1.3;letter-spacing:-.5px}h3{font-size:18px;line-height:1.4;margin-bottom:9px}h4{margin-bottom:8px}p{margin-bottom:16px}small,.small{font-size:13px}.muted{color:var(--muted)}.eyebrow{font-size:12px;letter-spacing:1.7px;font-weight:700;text-transform:uppercase;color:var(--green)}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:fixed;top:-80px;background:white;padding:12px;z-index:100}.skip:focus{top:0}.prototype{background:#182722;color:#eef5eb;font-size:11px;padding:7px 24px;display:flex;align-items:center;justify-content:space-between;gap:14px;letter-spacing:.5px}.prototype div{display:flex;gap:10px;align-items:center}.prototype select,.prototype button{font-size:11px;background:#2d3c35;color:white;border:1px solid #62756a;border-radius:4px;padding:5px 8px;max-width:240px}.topbar{padding:19px 32px;display:flex;align-items:center;gap:26px;border-bottom:1px solid var(--line);background:white}.brand{font-size:24px;letter-spacing:-1.2px;font-weight:800;white-space:nowrap}.brand i{font-style:normal;display:inline-grid;place-items:center;background:var(--green);color:var(--lime);border-radius:7px;width:31px;height:35px;margin-right:6px}.brand span{font-weight:400}.search{display:flex;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:40px;padding:0 16px;flex:1;max-width:620px}.search input{min-width:0;width:100%;border:0;background:transparent;padding:10px;outline-offset:-2px}.search button{border:0;background:transparent;font-size:22px}.navlinks{margin-left:auto;display:flex;align-items:center;gap:19px;white-space:nowrap}.count{background:var(--green);color:white;font-size:11px;padding:2px 6px;border-radius:20px}.avatar{width:36px;height:36px;display:inline-grid;place-items:center;border-radius:50%;background:#e3ebdf;color:var(--green);font-weight:700}.categorybar{display:flex;justify-content:center;gap:38px;border-bottom:1px solid var(--line);padding:11px 24px;font-size:13px;overflow:auto;white-space:nowrap}.container{max-width:1280px;margin:auto;padding:36px 40px 70px}.section{margin-top:44px}.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.section-head h1,.section-head h2,.section-head p{margin-bottom:0}.textlink{color:var(--green);font-weight:650;text-decoration:underline;text-underline-offset:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:43px;border:1px solid var(--green);border-radius:6px;background:var(--green);color:white;padding:10px 20px;font-weight:650;text-align:center}.btn:hover{background:var(--green-dark);color:white}.btn.secondary{background:white;color:var(--ink);border-color:#9ba99f}.btn.secondary:hover{background:var(--paper)}.btn.subtle{background:transparent;color:var(--green);border-color:transparent}.btn.danger{background:white;color:var(--red);border-color:#d6adad}.btn.small{min-height:34px;padding:6px 12px;font-size:13px}.btn.block{width:100%}.flex{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.stack{display:grid;gap:16px}.hero{display:grid;grid-template-columns:1fr 1fr;background:#eef1e7;min-height:330px;overflow:hidden;border-radius:3px}.hero-copy{padding:44px 40px;align-self:center}.hero h1{font-size:43px;max-width:530px;letter-spacing:-1.4px}.hero p{max-width:430px;color:#536359}.hero-art{background:#dce6c7;position:relative;display:flex;align-items:center;justify-content:center;padding:34px;overflow:hidden}.hero-art:before{content:"";position:absolute;width:330px;height:330px;border:1px solid #8caa7466;border-radius:50%}.editor-card{transform:rotate(-4deg);width:300px;background:#173a2c;color:#fff;padding:23px;box-shadow:18px 20px 0 #a9c982;border-radius:10px;z-index:1}.editor-card .dots{color:#a7c887;letter-spacing:5px}.editor-card .code{font:15px/2.2 Consolas,monospace;margin:16px 0;color:#d7e9c8}.editor-card .code strong{color:#f1c782}.art-label{position:absolute;right:22px;bottom:28px;z-index:2;background:white;padding:12px 18px;box-shadow:var(--shadow);font-weight:650;border-radius:7px}.proof{display:flex;gap:24px;justify-content:space-between;padding:22px 0;border-bottom:1px solid var(--line);font-size:13px}.proof b{display:block;font-size:15px}.proof span{color:var(--muted)}.tabs{display:flex;gap:23px;border-bottom:1px solid var(--line);margin-bottom:22px;overflow:auto;white-space:nowrap}.tabs a,.tabs button{padding:10px 0 14px;background:none;border:0;border-bottom:3px solid transparent;color:var(--muted)}.tabs .active{color:var(--ink);border-bottom-color:var(--green);font-weight:700}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.course-card{min-width:0;display:flex;flex-direction:column}.course-card>a:first-child{display:block}.cover{height:152px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden;border-radius:7px;margin-bottom:13px;color:#fff;background:#235a47}.cover:after{content:"";position:absolute;width:125px;height:125px;border:24px solid #ffffff1c;border-radius:50%;right:-22px;bottom:-40px}.cover strong{font-size:28px;line-height:1.1;letter-spacing:-1px;max-width:200px}.cover span{font-size:10px;text-transform:uppercase;letter-spacing:2px}.cover.coral{background:#aa593b}.cover.blue{background:#325b78}.cover.lilac{background:#665779}.cover.gold{background:#876924}.cover.gray{background:#465c58}.cover.red{background:#894e52}.course-card h3{font-size:16px;margin-bottom:6px;line-height:1.45}.course-card .muted{font-size:12px}.course-card .meta{font-size:12px;color:var(--muted);margin:5px 0}.price{font-size:19px;font-weight:750;white-space:nowrap}.tag{display:inline-block;padding:3px 8px;border-radius:4px;background:#e9efd9;color:#385219;font-size:11px;font-weight:650}.tag.blue{background:#e4edf5;color:#2f5878}.tag.amber{background:#fff0d5;color:var(--amber)}.tag.red{background:#fae9e7;color:var(--red)}.tag.gray{background:#edf0ee;color:#59675f}.rating{color:#946015;font-size:12px;margin:6px 0}.callout{background:#eef4e6;padding:25px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-radius:8px}.footer{background:#182722;color:#d9e3da;padding:30px 40px;display:flex;justify-content:space-between;gap:24px;align-items:center}.footer a{color:#d9e3da}.footer .brand{color:white}.crumb{font-size:12px;color:var(--muted);margin-bottom:24px}.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:40px;align-items:start}.sidebar-box,.panel{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:white;box-shadow:var(--shadow)}.sidebar-box{position:sticky;top:20px}.dark{background:#183a2d;color:white}.dark .muted{color:#c1d3c6}.detail-intro{padding:32px;border-radius:8px;margin-bottom:28px}.detail-intro h1{font-size:34px}.checklist{list-style:none;padding:0;display:grid;gap:12px}.checklist li:before{content:"✓";color:var(--green);font-weight:700;margin-right:12px}.divider{border:0;border-top:1px solid var(--line);margin:24px 0}details{border:1px solid var(--line);margin-top:-1px;background:white}summary{padding:17px 20px;cursor:pointer;font-weight:650;background:var(--paper)}.lesson-row{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:13px 19px;border-top:1px solid var(--line);font-size:14px}.lesson-row.active{background:#e8f1e4;color:var(--green)}.lesson-row button{border:0;background:none;color:var(--green);font-size:13px}.filter-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:32px}.filter-layout .grid{grid-template-columns:repeat(3,minmax(0,1fr))}.filter-group{border-bottom:1px solid var(--line);padding:18px 0}.filter-group label{display:block;margin:10px 0;font-size:14px}.filter-group input{accent-color:var(--green)}.form-field{display:grid;gap:7px;font-size:13px;font-weight:650;margin-bottom:18px}.form-field input,.form-field select,.form-field textarea,.input{border:1px solid #aebbb1;border-radius:5px;background:white;padding:11px 12px;min-width:0;width:100%;color:var(--ink)}textarea{resize:vertical;min-height:100px}.form-field small{font-weight:400}.auth{max-width:960px;margin:52px auto;display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:10px;overflow:hidden}.auth-art{background:#e5ecd9;padding:45px;display:flex;flex-direction:column;justify-content:center}.auth-art h2{font-size:34px;line-height:1.3}.auth-form{padding:38px}.notice{padding:14px 17px;background:#edf3e9;color:#315337;border-left:3px solid var(--green);margin:18px 0;font-size:14px}.notice.amber{background:#fff5e4;color:#755021;border-color:#ba8338}.notice.red{background:#fcf0ee;color:#913b30;border-color:#bd6555}.empty{padding:65px 25px;text-align:center;max-width:690px;margin:auto}.empty .symbol{font-size:46px;margin-bottom:14px;display:block}.empty h1{font-size:29px}.cart-item{display:grid;grid-template-columns:150px 1fr auto;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.cart-item .cover{height:100px;margin:0}.cart-item .cover strong{font-size:22px}.summary-line{display:flex;justify-content:space-between;gap:15px;padding:8px 0}.progress{height:5px;background:#e2e7df;border-radius:8px;overflow:hidden;margin:16px 0 8px}.progress span{display:block;height:100%;background:var(--green)}.learning{background:#f5f6f3;min-height:80vh}.learning-top{background:#182722;color:white;display:flex;justify-content:space-between;align-items:center;padding:15px 28px;gap:20px}.learning-top a{color:white}.learning-body{display:grid;grid-template-columns:minmax(0,1fr) 330px}.player-wrap{padding:24px 30px}.player{aspect-ratio:16/9;background:#14261e;color:white;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:30px;border-radius:5px}.player h2{font-size:30px;margin:16px 0}.play{width:65px;height:65px;border-radius:50%;background:var(--lime);color:#234731;border:0;font-size:26px}.player-controls{background:#1f3328;color:#d6e6d6;padding:10px 15px;display:flex;justify-content:space-between;font-size:12px}.curriculum{background:white;border-left:1px solid var(--line)}.curriculum h3{padding:20px;margin:0}.lesson-info{padding:26px 0}.document{background:#e3e6e0;padding:25px;border-radius:5px}.paper{background:white;max-width:600px;min-height:390px;padding:38px;margin:auto;box-shadow:0 3px 9px #0001}.paper h2{font-size:29px}.paper .line{height:8px;background:#e5e9e2;margin:14px 0}.paper .line.short{width:65%}.slide{aspect-ratio:16/9;background:#edf3e4;padding:38px;display:flex;flex-direction:column;justify-content:center}.slide h2{font-size:34px;max-width:500px}.account-nav{display:flex;gap:24px;border-bottom:1px solid var(--line);margin-bottom:25px;padding-bottom:15px;flex-wrap:wrap}.account-nav .active{color:var(--green);font-weight:700}.admin-shell{display:grid;grid-template-columns:222px minmax(0,1fr);min-height:calc(100vh - 44px);background:var(--paper)}.admin-sidebar{background:#172d23;color:#d1ded3;padding:26px 18px;display:flex;flex-direction:column}.admin-sidebar .brand{font-size:21px;color:white;padding:0 7px}.admin-sidebar .eyebrow{color:#a2b8a7;margin:32px 12px 12px;font-size:10px}.admin-sidebar nav{display:grid;gap:4px}.admin-sidebar nav a{padding:11px 13px;border-radius:5px;font-size:14px;display:flex;gap:12px;color:#cad9cd}.admin-sidebar nav a.active{background:#30533f;color:white}.admin-sidebar .bottom{margin-top:auto;padding:32px 12px 0;font-size:13px}.admin-main{min-width:0}.admin-top{padding:17px 32px;border-bottom:1px solid var(--line);background:white;display:flex;align-items:center;justify-content:space-between}.admin-content{padding:32px;max-width:1500px;margin:auto}.admin-content h1{font-size:29px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:8px;background:white;margin:25px 0;overflow:hidden}.stat{padding:23px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{display:block;font-size:30px;margin:7px 0}.stat small{color:var(--muted)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:white}table{border-collapse:collapse;width:100%;font-size:13px;text-align:left}th{background:#eff2ec;color:#536456;font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:600;padding:13px 18px;white-space:nowrap}td{padding:17px 18px;border-top:1px solid var(--line);vertical-align:middle}td .muted{font-size:12px}td:first-child{min-width:170px}td .textlink{white-space:nowrap}.toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;margin:20px 0;flex-wrap:wrap}.toolbar .input{max-width:340px}.two-col{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.upload{border:1px dashed #8caa98;background:#f3f7ef;padding:30px;text-align:center;border-radius:7px}.chart{display:flex;align-items:flex-end;gap:20px;height:180px;padding-top:20px;border-bottom:1px solid var(--line)}.chart div{flex:1;background:#bfd3b3;min-height:10px;position:relative;border-radius:3px 3px 0 0}.chart div:last-child{background:var(--green)}.chart span{position:absolute;bottom:-26px;left:0;right:0;text-align:center;font-size:11px;color:var(--muted)}.audit-row{border-bottom:1px solid var(--line);padding:15px 0}.audit-row:last-child{border:0}.screen-map{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.screen-map a{border:1px solid var(--line);border-radius:6px;padding:15px;background:white}.screen-map a:hover{border-color:var(--green)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:#173d2b;color:white;padding:13px 22px;border-radius:8px;box-shadow:var(--shadow);z-index:80;max-width:90vw;display:none}dialog{border:1px solid var(--line);border-radius:12px;max-width:520px;width:calc(100% - 32px);padding:28px;box-shadow:0 25px 70px #0003}dialog::backdrop{background:#17291e88}.mobile-only{display:none}
@media(min-width:1500px){.topbar{padding-left:max(32px,calc((100vw - 1440px)/2));padding-right:max(32px,calc((100vw - 1440px)/2))}}
@media(max-width:1100px){.topbar{gap:15px;padding:16px 22px}.navlinks{gap:12px}.topbar>.catalog-link{display:none}.hero h1{font-size:36px}.hero-copy{padding:32px}.container{padding:28px 24px 50px}.grid{gap:16px}.filter-layout .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-shell{grid-template-columns:185px minmax(0,1fr)}.admin-content{padding:25px}.split{grid-template-columns:minmax(0,1fr) 300px;gap:24px}.learning-body{grid-template-columns:minmax(0,1fr) 280px}.stat{padding:16px}.stat strong{font-size:24px}}
@media(max-width:800px){.desktop-only{display:none!important}.topbar{flex-wrap:wrap}.topbar .search{order:3;max-width:none;flex-basis:100%}.brand{font-size:22px}.categorybar{justify-content:flex-start;gap:25px}.hero{grid-template-columns:1fr 0.8fr}.hero-copy{padding:26px}.hero h1{font-size:31px}.hero-art{padding:20px}.editor-card{width:210px;padding:16px}.editor-card .code{font-size:12px}.art-label{font-size:11px;right:10px;bottom:20px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.two-col{grid-template-columns:1fr}.sidebar-box{position:static}.filter-layout{grid-template-columns:170px 1fr;gap:22px}.proof{gap:16px}.admin-shell{grid-template-columns:1fr}.admin-sidebar{padding:13px 20px;display:block}.admin-sidebar .eyebrow,.admin-sidebar .bottom{display:none}.admin-sidebar nav{display:flex;overflow:auto;margin-top:10px;white-space:nowrap}.admin-sidebar nav a{padding:8px 12px}.admin-top{padding:14px 23px}.learning-body{grid-template-columns:1fr}.curriculum{border-left:0}.screen-map{grid-template-columns:repeat(2,minmax(0,1fr))}.footer{padding:28px 24px;align-items:flex-start;flex-wrap:wrap}.mobile-only{display:block}.auth{margin:20px}.auth-art{padding:28px}.auth-form{padding:28px}.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:520px){h1{font-size:28px}h2{font-size:22px}.prototype{padding:7px 12px;flex-wrap:wrap;gap:6px}.prototype div{width:100%}.prototype select{flex:1;max-width:none;min-width:0}.topbar{padding:13px 16px;gap:12px}.topbar .brand{font-size:20px}.navlinks{gap:10px;font-size:12px}.navlinks .btn{padding:8px 11px;min-height:36px}.container{padding:23px 17px 40px}.hero{grid-template-columns:1fr}.hero-copy{padding:28px 24px}.hero h1{font-size:32px}.hero-art{min-height:205px}.editor-card{width:240px}.editor-card .code{line-height:1.8}.hero-art:before{width:230px;height:230px}.proof{flex-wrap:wrap;gap:16px}.proof>div{width:calc(50% - 8px)}.grid{gap:18px 12px}.cover{height:117px;padding:14px}.cover strong{font-size:22px}.course-card h3{font-size:14px}.course-card .meta{font-size:11px}.course-card .btn{font-size:12px;padding:7px 10px}.price{font-size:17px}.section{margin-top:30px}.section-head{align-items:flex-start}.section-head .textlink{font-size:12px;white-space:nowrap}.filter-layout{display:block}.filters{background:var(--paper);padding:6px 14px;margin-bottom:22px}.filter-group{display:inline-block;border:0;margin-right:16px;padding:5px 0}.filter-group h4{font-size:12px;margin:0}.filter-group label{display:inline-block;margin:5px 9px 5px 0;font-size:12px}.filters .desktop-only{display:none}.detail-intro{padding:23px}.detail-intro h1{font-size:28px}.auth{display:block;margin:20px 16px}.auth-art{padding:23px}.auth-art h2{font-size:24px}.auth-art .checklist{display:none}.auth-form{padding:25px}.cart-item{grid-template-columns:80px 1fr;gap:13px}.cart-item .cover{height:75px;padding:10px}.cart-item .cover strong{font-size:16px}.cart-item .cover span{display:none}.cart-item>.price{grid-column:2}.panel,.sidebar-box{padding:20px}.field-grid{grid-template-columns:1fr}.player-wrap{padding:15px}.player{padding:20px}.player h2{font-size:21px}.learning-top{padding:13px 16px;font-size:13px}.paper{padding:24px;min-height:310px}.slide{padding:22px}.slide h2{font-size:23px}.callout{padding:22px;align-items:flex-start;flex-direction:column}.admin-content{padding:23px 16px}.admin-top{padding:12px 16px;font-size:12px}.screen-map{grid-template-columns:1fr}.stats{margin:20px 0}.stat strong{font-size:24px}.footer .flex{gap:15px;font-size:13px}.document{padding:12px}.empty{padding:42px 12px}.chart{gap:12px}.toolbar>.input{max-width:none}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
.quiz-options{border:0;padding:0;margin:22px 0;display:grid;gap:12px}.quiz-option{display:flex;align-items:flex-start;gap:13px;border:1px solid var(--line);border-radius:7px;padding:15px;cursor:pointer}.quiz-option:has(input:checked){border-color:var(--green);background:#eef5e8}.quiz-option input{accent-color:var(--green);margin-top:5px;flex-shrink:0}.quiz-numbers{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.quiz-numbers [aria-current="step"]{outline:2px solid var(--green);outline-offset:2px}.quiz-review{margin:16px 0}.quiz-curriculum{background:#f5f8f0}.quiz-review h3{max-width:800px}.tabs>span{padding:10px 0 14px;display:block}.quiz-option span{overflow-wrap:anywhere}
.teacher-shell .admin-sidebar{background:#173645}.teacher-shell .admin-sidebar nav a.active{background:#2e5466}.conversation{display:grid;gap:18px;max-height:450px;overflow:auto;margin-bottom:25px}.message{padding:18px 22px;background:#f1f4ed;border-radius:8px;max-width:85%;overflow-wrap:anywhere}.message p{margin:8px 0}.teacher-message{margin-left:auto;background:#e9f0f5}.panel form{min-width:0}.panel,.sidebar-box{min-width:0}.teacher-shell .stat strong{overflow-wrap:anywhere}
.admin-sidebar{min-width:0}.section-head>div{min-width:0}.section-head p{overflow-wrap:anywhere}
@media(max-width:800px){.admin-shell{grid-template-columns:minmax(0,1fr)}.split,.two-col{grid-template-columns:minmax(0,1fr)}}
@media(max-width:520px){.admin-content>.section-head{flex-wrap:wrap}.admin-content .lesson-row{flex-wrap:wrap}.admin-content .section-head>.btn{max-width:100%}.admin-content .tabs{max-width:100%}}

/* Foundation forms: retain approved mockup geometry and palette. */
body{min-height:100vh}body>.container{min-height:calc(100vh - 186px)}
.field-error{color:var(--red)}[aria-invalid="true"]{border-color:var(--red)!important}
button:disabled{cursor:wait;opacity:.65}.table-wrap form{min-width:170px}
.admin-shell{min-height:100vh}.auth-form h2{overflow-wrap:anywhere}

/* Course authoring and public catalog, using the approved prototype palette. */
.pre-line{white-space:pre-line;overflow-wrap:anywhere}.course-price{font-size:30px}.review-lesson{padding:16px;border-bottom:1px solid var(--line)}.order-list{padding:0;list-style:none}.order-list li{display:flex;gap:10px;align-items:center;padding:9px;border-bottom:1px solid var(--line)}.order-list li>span{flex:1;min-width:0;overflow-wrap:anywhere}.panel details{margin:16px 0}.panel details>form{margin:14px 0}.panel form+form{margin-top:14px}.lesson-row{gap:16px}.lesson-row>span{min-width:0;overflow-wrap:anywhere}.course-card h3{overflow-wrap:anywhere}.admin-content>.section-head h1{overflow-wrap:anywhere}.admin-top{gap:12px;flex-wrap:wrap}.sidebar-box ul{padding-left:18px}.sidebar-box li{overflow-wrap:anywhere}
@media(max-width:650px){.topbar{flex-wrap:wrap;gap:12px}.topbar .navlinks{gap:10px}.split{gap:20px}.lesson-row{align-items:start}.section-head{align-items:start;flex-wrap:wrap}.section-head h1{font-size:28px}.panel{padding:18px}.order-list li{gap:5px}.order-list button{padding:6px}.admin-top{padding:12px}}

/* Learning and media use the approved course workspace spacing and colors. */
.learning-shell{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.learning-main{min-width:0}.learning-curriculum{position:sticky;top:20px}.video-stage{background:#12201c;aspect-ratio:16/9;border-radius:14px;overflow:hidden}.video-stage iframe{width:100%;height:100%;border:0}.document-stage{background:#edf0eb;padding:12px;overflow:auto;border-radius:12px}.document-stage canvas{display:block;margin:auto;max-width:100%;height:auto}.document-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}.document-toolbar input{width:65px;min-width:0;padding:8px}.lesson-content{margin:24px 0}.learning-curriculum .lesson-row.active{background:#edf3df;font-weight:700}.course-body{padding:20px}progress{width:100%;height:12px;accent-color:#42735c;margin:12px 0}.upload-state{overflow-wrap:anywhere}.table-scroll{overflow-x:auto}.table-scroll table{width:100%}.table-scroll th,.table-scroll td{text-align:left;padding:12px;border-bottom:1px solid #e4e7df}.media-picker{margin:20px 0}.learning-main h1{overflow-wrap:anywhere}#document-text{max-height:160px;overflow:auto}.learning-main [hidden]{display:none}
@media(max-width:800px){.learning-shell{grid-template-columns:1fr}.learning-curriculum{position:static}.document-toolbar{gap:6px}.document-toolbar .btn{padding:8px;font-size:12px}.navlinks{flex-wrap:wrap}.learning-main{padding:16px}}

.course-cover-image{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr));gap:24px}

/* Commerce: shared course cards, confirmation and order state. */
.commerce-item{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px 0;border-bottom:1px solid var(--line,#e4e7ec)}
.commerce-item:last-child{border-bottom:0}.commerce-item h3{margin:0 0 8px}.commerce-filters{display:flex;flex-wrap:wrap;gap:16px;align-items:end;margin-bottom:24px}.commerce-filters .form-field{flex:1;min-width:150px}.commerce-filters button{margin-bottom:16px}.commerce-state{padding:36px}.commerce-paid{border-color:#91c5a8;background:#f4fbf6}.break-word{overflow-wrap:anywhere}
@media(max-width:600px){.commerce-item{align-items:start;flex-direction:column;gap:12px}.commerce-state{padding:22px}.commerce-filters{display:block}.topbar .navlinks{flex-wrap:wrap;gap:10px}.topbar{align-items:start}}

/* Assessment authoring and accessible question navigation. */
.quiz-settings{border:0;padding:0;margin:0;min-width:0}.quiz-question-editor summary{overflow-wrap:anywhere;cursor:pointer}.quiz-question-editor textarea{width:100%;resize:vertical}.quiz-question-editor .section{margin-top:20px}.quiz-review .quiz-option{cursor:default}.quiz-review h3{overflow-wrap:anywhere}[data-attempt-question][hidden]{display:none}[data-answer-state]{overflow-wrap:anywhere}[data-attempt-question] input{min-width:16px;min-height:16px}[data-quiz-editor]>.notice{margin-top:20px}.stat strong{overflow-wrap:anywhere}
@media(max-width:650px){[data-quiz-attempt] .split{display:flex;flex-direction:column}[data-quiz-attempt] .sidebar-box{width:100%}.quiz-options{margin:16px 0}.quiz-option{padding:12px}.quiz-numbers .btn{min-width:38px}.quiz-question-editor summary{font-size:15px}}
/* Component display rules must not reveal hidden quiz navigation or recovery controls. */
[data-quiz-attempt] [hidden] { display: none !important; }
.communication-thread{max-width:1000px}.message-list{display:flex;flex-direction:column;gap:14px;margin:20px 0;max-height:560px;overflow:auto;padding:4px}.message{background:#f3f6f0;border:1px solid var(--line);border-radius:10px;padding:16px;max-width:85%;margin:12px 0;overflow-wrap:anywhere}.message.mine{align-self:flex-end;background:#e9f3e5;margin-left:auto}.message p:last-child{margin-bottom:0}.message-body{white-space:pre-wrap;overflow-wrap:anywhere}.communication-thread form{border-top:1px solid var(--line);padding-top:20px}.communication-thread [hidden]{display:none!important}.communication-thread textarea,[data-communication-form] textarea{width:100%;resize:vertical}[data-send-state],[data-poll-state]{overflow-wrap:anywhere}
@media(max-width:650px){.message{max-width:95%;padding:12px}.communication-thread{padding:16px}.message-list{max-height:480px}.students-actions{flex-wrap:wrap}}

.bank-choices{border:0;padding:0;margin:24px 0}.bank-choices legend{font-weight:600;margin-bottom:12px}.bank-choice{display:flex;align-items:flex-start;gap:12px;border:1px solid var(--line);border-radius:7px;padding:16px;margin-bottom:12px;cursor:pointer}.bank-choice input{width:18px;height:18px;flex:none;margin:4px 0}.bank-choice span{min-width:0;overflow-wrap:anywhere}
/* Operations screens share the existing workspace components. */
.operations-filters { display:flex; flex-wrap:wrap; gap:16px; align-items:flex-end; }
.operations-filters label { flex:1 1 160px; min-width:0; }
.operations-settings { max-width:760px; display:grid; gap:18px; }
.operations-request-id { overflow-wrap:anywhere; }
.operations-settings label,.operations-filters label { display:grid; gap:8px; }
.operations-settings input,.operations-settings select,.operations-filters input,.operations-filters select { width:100%; min-width:0; }
.admin-sidebar .brand,.topbar .brand,.footer .brand { white-space:normal; overflow-wrap:anywhere; min-width:0; }
.footer small { max-width:100%; min-width:0; overflow-wrap:anywhere; }

/* Read-only author/reviewer media widgets. */
.course-preview{margin:16px 0;min-width:0;overflow-wrap:anywhere}.course-preview [hidden]{display:none!important}.course-preview [data-preview-body]{margin-top:14px}.course-preview .preview-image{display:block;max-width:100%;max-height:600px;object-fit:contain}.course-preview .preview-text{max-height:160px;overflow:auto}.course-preview .document-toolbar input{max-width:70px}.course-preview iframe{display:block}.review-lesson h3{overflow-wrap:anywhere}

/* Teacher profile and public instructor avatar. */
.teacher-avatar{position:relative;display:grid;place-items:center;flex:0 0 96px;width:96px;height:96px;border-radius:50%;overflow:hidden;background:#e6eee8;color:#245441;font-size:32px;font-weight:700}.teacher-avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.teacher-avatar [hidden]{display:none!important}.avatar-profile{display:grid;grid-template-columns:160px minmax(0,1fr);gap:24px;margin-bottom:24px}.avatar-profile .form-field{max-width:540px}.avatar-profile input[type=file]{max-width:100%;min-width:0}.avatar-remove{margin-top:12px}.teacher-profile-summary{display:flex;align-items:center;gap:18px}.teacher-profile-summary p{overflow-wrap:anywhere}
@media(max-width:650px){.avatar-profile{grid-template-columns:minmax(0,1fr);gap:12px}.avatar-profile>div{min-width:0}.teacher-profile-summary{gap:12px}}

/* Restore the approved mockup layout around real application controls. */
[hidden]{display:none!important}
.brand{display:inline-flex;align-items:center;gap:6px;flex-shrink:0}
.brand i{flex-shrink:0;margin:0}.brand .brand-name{min-width:0;font-weight:750;line-height:1.2;letter-spacing:-.8px;overflow-wrap:anywhere}
.footer .brand{max-width:100%;flex-shrink:1}
.topbar .brand{max-width:260px;font-size:21px}.admin-sidebar .brand{font-size:15px;padding:0;gap:5px}
.admin-sidebar .brand i{width:26px;height:30px}.admin-sidebar .brand-name{min-width:0}
.topbar>.catalog-link{white-space:nowrap}.topbar .search{min-width:100px}.navlinks .avatar{flex-shrink:0}
.admin-sidebar .bottom p{margin-top:14px}.admin-top .avatar{flex-shrink:0}
.account-nav{font-size:13px;white-space:nowrap;flex-wrap:nowrap;overflow:auto;padding-bottom:12px}
.filter-group{border:0;border-bottom:1px solid var(--line);margin:0;padding:18px 0;min-width:0;display:block}
.filter-group legend{font-weight:700;padding:0}.filter-group label{display:flex;align-items:baseline;gap:8px}
.filter-group input{flex-shrink:0}.filters .btn{margin-top:12px}.toolbar select{width:auto;max-width:100%}
.course-card .price{margin:6px 0}.course-card>.eyebrow{display:none}.course-card .cover{margin-bottom:13px}
.course-card>.muted{margin-bottom:4px}.course-cover-image{height:152px;border-radius:7px;aspect-ratio:auto;margin-bottom:13px}
.course-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.course-body{padding:0}.course-body h2{font-size:16px}
.course-body .btn{margin-top:8px}.course-body progress{height:5px}.course-body .cover{margin-bottom:13px}
.learning{min-height:100vh}.learning>.learning-top{min-height:60px}.learning>main>.notice{margin:0}
.learning-shell{grid-template-columns:minmax(0,1fr) 330px;gap:0;align-items:stretch}
.learning-main{padding:24px 30px;min-width:0}.learning-main h1{font-size:25px}.learning-main .video-stage{border-radius:5px}
.learning-main .document-stage{padding:25px;border-radius:5px;background:#e3e6e0}.learning-main .document-toolbar{margin:18px 0;justify-content:space-between}
.learning-main .document-stage canvas{width:auto;height:auto;max-width:100%;max-height:65vh;object-fit:contain}
.learning-curriculum{position:static;padding:0;border-radius:0;box-shadow:none;min-width:0}.learning-curriculum>h2{padding:20px;margin:0;font-size:18px}
.learning-curriculum>p,.learning-curriculum>a{margin:16px 20px;display:block}.learning-curriculum summary{padding:14px 18px}.learning-curriculum .lesson-row{font-size:13px}
.learning-main .lesson-info{padding:24px 0}.learning-main .lesson-content{margin:16px 0}.learning-main .lesson-info .divider{margin:16px 0}
.quiz-question-panel>div>.panel{padding:0;border:0;box-shadow:none}.quiz-question-panel .toolbar{margin-bottom:0}
.payment-outcome{text-align:center;max-width:720px;margin:24px auto 48px;border:0;box-shadow:none;background:white;padding:45px 28px}
.payment-outcome .flex{justify-content:center}.payment-outcome h1{font-size:29px}.payment-outcome+.split{margin-top:0}
.summary-line>a{min-width:0;overflow-wrap:anywhere}.summary-line>strong{white-space:nowrap}.checkout-policy{margin:24px 0}
.report-filters{margin-top:24px}.report-filters .field-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:0 16px}
.report-filters .form-field{margin-bottom:14px}.report-filters input,.report-filters select{padding:8px 10px}
.operations-settings{max-width:none;align-self:start}.dashboard-panels>.section{margin-top:0}
.dashboard-panels .stats{grid-template-columns:1fr;border:0;margin:0}.dashboard-panels .stat{border:0;border-bottom:1px solid var(--line);padding:16px 0}
.dashboard-tasks .stats{display:block}.dashboard-tasks .stat{display:flex;align-items:center;justify-content:space-between;gap:16px}
.dashboard-tasks .stat strong{font-size:22px;margin:0}.operations-filters{margin-bottom:24px}
.category-editor{background:white}.category-editor>section{margin:0;border:0;box-shadow:none}
.screen-quiz-editor #assessment-bank{min-width:0}.screen-quiz-editor #assessment-bank>.panel{margin:0}
.screen-quiz-editor .sidebar-box .field-grid{grid-template-columns:1fr}.screen-quiz-editor .sidebar-box h2{font-size:18px}
.screen-quiz-editor .sidebar-box input,.screen-quiz-editor .sidebar-box select{padding:9px}
.communication-thread{max-width:none}.message{border:0;border-radius:6px}.message-list{padding:0}
.screen-payouts-new .bank-choices{margin-top:0}.screen-payouts-new .bank-choice{padding:12px}
.screen-operations-audit .table-wrap{margin-bottom:24px}
@media(max-width:1100px){.topbar .brand{font-size:18px;max-width:220px}.course-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.learning-shell{grid-template-columns:minmax(0,1fr) 280px}.report-filters .field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.topbar .brand{max-width:55%}.admin-sidebar .brand{font-size:20px;max-width:100%}.admin-sidebar .brand-name{max-width:100%}.learning-shell{grid-template-columns:1fr}.learning-top{flex-wrap:wrap}.learning-top b{font-size:14px;min-width:0;overflow-wrap:anywhere}.learning-main{padding:20px}.learning-curriculum{border-top:1px solid var(--line)}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.navlinks{gap:12px}.dashboard-panels .section{margin-top:0}}
@media(max-width:520px){.topbar .brand{font-size:17px;max-width:52%}.topbar{align-items:center}.topbar .navlinks{margin-left:auto;flex-wrap:nowrap}.navlinks .avatar{width:32px;height:32px}.categorybar{padding:10px 16px;gap:24px}.filters{padding:12px 16px}.filter-group{display:block;padding:12px 0;margin:0}.filter-group label{display:inline-flex;font-size:13px;margin:8px 14px 0 0}.filter-group legend{font-size:13px}.course-grid{gap:22px 12px}.course-cover-image{height:117px}.learning-main{padding:16px}.learning-main .document-stage{padding:12px}.learning-main .document-toolbar{gap:6px}.report-filters .field-grid{grid-template-columns:1fr}.payment-outcome{padding:24px 0}.course-card .tag{font-size:10px}.account-nav{gap:18px}.admin-top{padding:14px 17px}.admin-top>span{font-size:12px}.admin-sidebar nav{scrollbar-width:thin}.category-editor{scroll-margin-top:16px}}