:root{--blue:#1b1d3a;--deep:#151a35;--accent:#c7ddff;--ink:#222c46;--muted:#748198;--line:#e0e6f0;--paper:#f5f7fc;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Segoe UI',Arial,sans-serif;font-size:14px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus,select:focus,textarea:focus{outline:2px solid #376fe0;outline-offset:3px}button{cursor:pointer}h1,h2,h3,p{margin-top:0}h1{font-size:35px;line-height:1.2;letter-spacing:-1.3px;margin-bottom:13px;font-weight:650}h2{font-size:25px;letter-spacing:-.7px;line-height:1.3}h3{font-size:18px;line-height:1.4}small{display:block;color:var(--muted);font-size:12px;font-weight:400}fieldset{padding:0;border:0;margin:0;min-width:0}fieldset:disabled{opacity:.85}.sidebar{width:240px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:36px 22px 20px;display:flex;flex-direction:column;z-index:5}.brand{display:flex;gap:12px;align-items:center;font-size:24px;font-weight:800;letter-spacing:1px;line-height:1}.brand small{font-size:10px;letter-spacing:3.4px;margin-top:9px;font-weight:600;color:var(--blue)}.brand-mark{font-size:43px;color:var(--blue);position:relative;letter-spacing:-5px}.brand-mark span{position:absolute;font-size:22px;left:22px;top:-3px;color:#5c88e0}.nav-caption{font-size:9px;letter-spacing:1.3px;color:#8b94a8;margin:55px 10px 15px;font-weight:600}nav{display:grid;gap:7px}nav a{padding:12px;border-radius:8px;font-weight:500;color:#758198;display:flex;gap:15px;align-items:center}nav a span{font-size:22px;line-height:1}nav a.selected,nav a:hover{color:var(--blue);background:#eaf0ff}.sidebar-note{margin-top:auto;padding:24px 18px;background:#eff3fc;border:1px solid #dfe6f5;border-radius:12px;position:relative}.sidebar-note h3{font-size:19px;margin:12px 0 8px}.sidebar-note p{font-size:12px;line-height:1.8;color:#728099;margin-bottom:24px}.mini-arrow{position:absolute;right:20px;bottom:12px;font-size:23px}.profile{margin-top:25px;border-top:1px solid var(--line);padding-top:22px;display:flex;align-items:center;gap:10px;font-size:12px}.profile b{display:block;max-width:125px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile form{margin-left:auto}.profile a{font-size:11px;text-decoration:underline}.avatar{width:37px;height:37px;border-radius:50%;background:#eaf0fc;display:inline-flex;align-items:center;justify-content:center;color:var(--blue);font-weight:700;flex-shrink:0}.icon-button{border:0;background:none;font-size:21px;color:var(--muted)}.main-shell{margin-left:240px}.topbar{height:87px;padding:0 44px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.55);font-size:12px;color:var(--muted)}.topbar>div{display:flex;gap:24px;align-items:center}.top-tag{font-size:9px;letter-spacing:1.5px}main{padding:36px 44px 50px;max-width:1530px;margin:auto;min-height:calc(100vh - 156px)}.page-heading{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:29px}.page-heading p{color:var(--muted);margin-bottom:0}.eyebrow,.tiny-label{font-size:10px;font-weight:650;letter-spacing:1.7px;color:#496cb3;display:block;margin-bottom:10px}.tiny-label{font-size:9px;letter-spacing:1.2px}.outline-tag{border:1px solid #d0dcef;padding:8px 12px;white-space:nowrap;border-radius:5px;font-size:9px;letter-spacing:1.4px;color:#61769c}.hero{background:var(--blue);color:#fff;border-radius:15px;min-height:382px;padding:35px 40px 24px;position:relative;overflow:hidden;display:grid;grid-template-columns:1.15fr 1fr;gap:20px}.hero-kicker{font-size:9px;letter-spacing:2px;color:#b9c9ed;display:flex;gap:9px;align-items:center}.hero-kicker i{width:6px;height:6px;background:var(--accent);border-radius:50%}.hero h2{font-size:42px;line-height:1.12;font-weight:500;letter-spacing:-1.5px;margin:20px 0 17px}.hero h2 em{font-style:normal;color:var(--accent)}.hero p{font-size:12px;color:#c0cce4;max-width:330px;line-height:1.8}.button{display:inline-flex;align-items:center;justify-content:center;gap:15px;background:var(--blue);color:white;border:1px solid var(--blue);border-radius:7px;padding:11px 19px;font-size:12px;font-weight:600;line-height:1.5;cursor:pointer;text-align:center}.button:hover{background:#2d467c}.button.secondary{background:transparent;color:var(--blue);border-color:#d5deef}.button.secondary:hover{background:#edf2ff}.button.sky{background:var(--accent);color:var(--blue);border:0;padding:12px 17px;font-size:11px}.button.small{padding:8px 13px;font-size:11px}.button:disabled{opacity:.55;cursor:not-allowed}.hero-foot{display:flex;gap:24px;font-size:9px;letter-spacing:.4px;color:#b4c7eb;margin-top:24px}.hero-art{position:relative;min-height:320px;display:flex;align-items:center;justify-content:center}.orbital{border:1px solid rgba(155,192,255,.35);border-radius:50%;position:absolute;width:310px;height:310px;transform:rotate(-30deg) scaleX(.63)}.o2{transform:rotate(20deg) scaleX(.63)}.o3{transform:rotate(70deg) scaleX(.63)}.o4{transform:rotate(120deg) scaleX(.63)}.art-core{font-size:136px;color:var(--accent);font-weight:300;letter-spacing:-15px;line-height:1;z-index:1}.art-core span{font-size:83px}.art-label{position:absolute;bottom:0;font-size:8px;letter-spacing:2.3px;color:#afc6ed}.benefit-strip{display:flex;justify-content:space-around;border-bottom:1px solid var(--line);padding:24px 0;margin-bottom:32px;gap:15px;color:#687a99;font-size:11px}.benefit-strip span{display:flex;gap:10px;align-items:center}.benefit-strip b{font-size:21px;font-weight:400;color:#5277b8}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px}.section-heading h2,.section-heading h3{margin-bottom:0}.section-heading .eyebrow{margin-bottom:6px}.search{display:flex;border:1px solid var(--line);background:#fff;border-radius:7px;overflow:hidden}.search input{border:0;padding:10px 14px;background:transparent;font-size:11px;min-width:220px}.search button{border:0;background:transparent;padding:0 16px;color:#5275b0;font-size:23px}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.course-card{background:#fff;border:1px solid var(--line);border-radius:11px;overflow:hidden}.course-cover{display:block;position:relative;height:180px;overflow:hidden;background:#dce6f7}.course-cover img{width:100%;height:100%;object-fit:cover}.cover-pattern{height:100%;background:linear-gradient(130deg,#24335f,#527dca);position:relative;overflow:hidden;color:#f0f5ff;padding:24px 25px}.cover-pattern>span{position:relative;z-index:1;font-size:12px;letter-spacing:1.5px;line-height:1.1}.cover-pattern b{font-size:66px;letter-spacing:-4px;font-weight:500}.cover-pattern i{width:220px;height:220px;border:1px solid #a9c9ff80;border-radius:50%;position:absolute;right:-50px;top:-80px}.cover-pattern i:nth-of-type(2){right:-20px;top:-40px}.cover-pattern i:nth-of-type(3){right:-80px;top:0}.cover-badge{position:absolute;bottom:14px;left:17px;background:#fffffff0;color:#294579;font-size:9px;padding:4px 10px;border-radius:4px}.card-body{padding:21px 22px}.card-body h3{font-size:19px;letter-spacing:-.4px;margin:9px 0}.card-body p{font-size:12px;color:var(--muted);line-height:1.8}.teacher-line{display:flex;align-items:center;gap:9px;color:#6d7d9a;font-size:11px;margin:17px 0}.small-avatar{width:25px;height:25px;font-size:10px}.card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:16px;margin-top:19px;font-size:11px}.card-bottom strong{font-size:15px}.card-bottom a{font-weight:650}.panel{background:#fff;border:1px solid var(--line);border-radius:11px;padding:27px;margin-bottom:24px}.panel h2{font-size:22px}.panel h3{margin-bottom:16px}.notice{padding:15px 20px;background:#eaf1ff;border:1px solid #d4e0fa;border-radius:8px;margin-bottom:24px;font-size:13px}.notice.error{background:#fff0e9;border-color:#e7c8ba;color:#834a31}.notice ul{margin-bottom:0;padding-left:19px}.muted{color:var(--muted)}.lead{font-size:17px;color:#70809d}.prose{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9;margin-bottom:22px;color:#607394}.back-link{display:inline-block;margin-bottom:23px;color:var(--muted);font-size:12px}.detail-grid{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(280px,1fr);gap:35px}.enrollment-card{align-self:start;position:sticky;top:24px}.enrollment-card .button{display:flex;margin-top:12px}.compact{border-radius:7px;height:200px;margin-bottom:23px}.compact .cover-pattern b{font-size:45px}.badge{display:inline-flex;background:#ecf2ff;color:#4567a2;padding:5px 10px;border-radius:5px;font-size:10px;white-space:nowrap}.lesson-row{display:flex;gap:15px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.lesson-row:last-child{border:0}.lesson-row>a{margin-left:auto;font-size:12px}.step-number{width:35px;height:35px;background:#eef3ff;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;color:#4e70ad;font-size:12px;flex-shrink:0}.stack{display:grid;gap:18px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:19px}.form-grid>.wide{grid-column:1/-1}label{display:block;font-size:12px;color:#526584;font-weight:600}input:not([type=checkbox]),textarea,select{display:block;width:100%;background:#fcfdff;border:1px solid #dce4f2;border-radius:6px;padding:10px 12px;color:var(--ink);margin-top:6px;min-width:0}input[type=file]{font-size:11px}textarea{resize:vertical}input[type=checkbox]{accent-color:var(--blue)}.check{display:flex;align-items:center;gap:10px;align-self:center}.check input{width:17px;height:17px;flex-shrink:0}.auth-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;max-width:950px;margin:55px auto}.auth-intro h1{font-size:46px;line-height:1.2}.auth-intro p{color:var(--muted);line-height:1.9}.auth-panel{padding:35px}.auth-links{margin-top:24px;display:flex;justify-content:space-between;font-size:11px;text-decoration:underline}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:30px}.stats>div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 25px}.stats strong{font-size:32px;font-weight:500}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:12px}th{text-align:left;padding:13px 12px;background:#f5f7fd;color:#7b88a3;font-weight:500;white-space:nowrap}td{padding:15px 12px;border-bottom:1px solid var(--line);vertical-align:top}td a{font-weight:650}.inline-form{display:flex;gap:8px;align-items:end}.inline-form select{width:auto;min-width:95px}.inline-form input{min-width:150px}details{border-top:1px solid var(--line);padding:13px 0}summary{cursor:pointer;font-size:12px;font-weight:600}details>form{margin-top:20px}.activity-list{margin:18px 0}.question-builder{padding:20px;background:#f5f7fd;border:1px solid var(--line);border-radius:8px;margin-bottom:15px}.question-builder .form-grid{margin-top:12px}.remove-question{background:none;border:0;color:#986d58;font-size:12px}.step-title{display:flex;gap:15px;align-items:center}.presentation{display:flex;align-items:center;justify-content:space-between}.presentation h3,.presentation p{margin:0}.activity-link{display:flex;gap:15px;align-items:center;border-top:1px solid var(--line);padding:19px 0}.activity-link>span:last-child{margin-left:auto;font-size:11px;white-space:nowrap}.activity-icon{background:#eaf1ff;padding:8px 11px;border-radius:7px}.lesson-video{width:100%;aspect-ratio:16/9;border:0;margin-bottom:20px}.text-link{display:block;margin:18px 0;font-size:12px;text-decoration:underline}.form-column{max-width:850px;margin:auto}.question-panel>label{font-size:15px;display:flex;gap:14px;margin-bottom:18px;align-items:baseline;line-height:1.6}.question-number{font-size:10px;color:#879dc4;flex-shrink:0}.question-note{font-size:12px;color:#7586a5;background:#f1f5fe;padding:12px 16px;white-space:pre-wrap}.question-panel input,.question-panel textarea,.question-panel select{background:#fff}.required-mark{color:#ae7355}.answer-toolbar{display:flex;gap:12px;align-items:center;position:sticky;bottom:15px;padding:17px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 5px 30px #17254a0d}.save-state{margin-right:auto;font-size:11px;color:#6c83aa}.submission-row{display:grid;grid-template-columns:1fr 240px;gap:35px;padding:22px 0;border-top:1px solid var(--line)}.submission-row details{max-width:650px}.submission-row p{font-size:12px}.grade-box{background:#f1f5fc;border-radius:9px;padding:17px;align-self:start}.empty{border:1px dashed #c9d8f0;background:#edf3ff;padding:35px;border-radius:11px;grid-column:1/-1}.export-answer{border-top:1px solid var(--line);padding-top:15px;break-inside:avoid}footer{border-top:1px solid var(--line);padding:22px 44px;font-size:10px;color:#8b97ad;display:flex;justify-content:space-between}.pagination{margin-top:20px}.pagination svg{width:20px}
@media(min-width:1550px){.hero{min-height:420px}.hero h2{font-size:49px}.course-cover{height:215px}}@media(max-width:1200px){.sidebar{width:210px;padding:28px 16px}.main-shell{margin-left:210px}main{padding:30px 28px}.topbar{padding:0 28px}.top-tag{display:none}.hero{padding:30px}.hero h2{font-size:36px}.orbital{width:245px;height:245px}.art-core{font-size:120px}.hero-art{min-height:310px}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-heading h1{font-size:30px}.outline-tag{display:none}}@media(max-width:850px){.sidebar{width:75px;padding:24px 12px}.brand>span:last-child,.nav-caption,.sidebar-note,.profile,.sidebar nav a{font-size:0}.sidebar nav{margin-top:35px}.sidebar nav a{padding:12px;justify-content:center}.sidebar nav a span{font-size:22px}.brand-mark{font-size:42px!important}.brand-mark span{font-size:20px}.main-shell{margin-left:75px}.hero{grid-template-columns:1fr 1fr}.hero h2{font-size:34px}.hero-art{overflow:hidden}.detail-grid{grid-template-columns:1fr}.enrollment-card{position:static;grid-row:1}.enrollment-card .compact{display:none}.auth-wrap{gap:25px}.auth-intro h1{font-size:32px}.topbar>span{display:none}.topbar{justify-content:flex-end}.submission-row{grid-template-columns:1fr}.grade-box{max-width:350px}}@media(max-width:600px){.sidebar{position:static;width:auto;height:65px;display:flex;flex-direction:row;align-items:center;justify-content:space-between;border-right:0;border-bottom:1px solid var(--line);padding:10px 18px}.brand{font-size:16px}.brand>span:last-child{display:block;font-size:16px}.brand small{font-size:7px;margin-top:4px;letter-spacing:2px}.brand-mark{font-size:31px!important}.brand-mark span{font-size:16px;left:17px}.sidebar nav{margin:0;display:flex}.sidebar nav a{padding:8px}.sidebar nav a span{font-size:20px}.main-shell{margin:0}.topbar{height:59px;padding:0 20px}.topbar>div{gap:17px}main{padding:25px 19px}.page-heading{align-items:start}.page-heading h1{font-size:28px}.page-heading p{font-size:12px}.hero{grid-template-columns:1fr;min-height:0;padding:27px}.hero h2{font-size:39px}.hero-art{display:none}.hero-foot{font-size:8px;gap:20px}.benefit-strip{font-size:9px;gap:8px;align-items:start}.benefit-strip span{gap:5px;flex-direction:column}.section-heading{align-items:start;flex-direction:column}.section-heading h2{font-size:23px}.search{width:100%}.search input{min-width:0;flex:1}.course-grid{grid-template-columns:1fr}.course-cover{height:200px}.panel{padding:22px 19px}.form-grid{grid-template-columns:1fr}.form-grid>.wide{grid-column:auto}.stats{gap:8px}.stats>div{padding:14px 12px}.stats small{font-size:9px}.stats strong{font-size:25px}.auth-wrap{grid-template-columns:1fr;margin:10px auto}.auth-intro h1{font-size:32px}.auth-intro p{display:none}.auth-panel{padding:25px}.presentation{flex-direction:column;align-items:start;gap:17px}.step-title h2{font-size:20px}.activity-link{gap:10px;flex-wrap:wrap}.activity-link>div{flex:1}.activity-link>span:last-child{margin-left:48px}.answer-toolbar{flex-wrap:wrap;padding:13px}.save-state{width:100%}.answer-toolbar .button{flex:1;font-size:10px;padding:10px 8px}.inline-form{flex-wrap:wrap}footer{padding:20px;font-size:9px}footer span{display:none}}
@media print{body{background:#fff;font-size:11px}.sidebar,.topbar,footer,.print-work{display:none}.main-shell{margin:0}main{padding:0}.panel{border:0;padding:12px 0}.page-heading h1{font-size:25px}.export-answer p{margin-bottom:10px}a{color:#000}.notice{display:none}}
@media(max-width:850px){.sidebar .nav-caption,.sidebar .sidebar-note,.sidebar .profile{display:none}}
.progress-panel{display:flex;gap:25px;align-items:center;font-size:12px}.progress-panel progress{flex:1;height:8px;accent-color:var(--blue)}

/* Supplied PROFEL artwork keeps its original colors and transparency. */
.brand{display:block;width:100%;line-height:0}.brand-logo{display:block;width:100%;height:100px;object-fit:contain}.brand-symbol{display:none}.nav-caption{margin-top:32px}
@media(max-width:1200px){.brand-logo{height:90px}}
@media(min-width:601px) and (max-width:850px){.brand-logo{display:none}.brand-symbol{display:block;width:48px;height:58px;object-fit:contain}.brand{width:48px}}
@media(max-width:600px){.brand{width:140px;flex-shrink:0}.brand-logo{display:block;width:140px;height:49px;object-fit:contain}.brand-symbol{display:none}}
.button{background:#245bdb;border-color:#245bdb}.button:hover{background:#1d49b5}.button.sky:hover{background:#b3d1ff}
/* Access controls remain usable on phones and desktop screens. */
.access-actions { display: flex; flex-wrap: wrap; align-items: flex-start; gap: .75rem; margin: .75rem 0 1.25rem; }
.registration-phone { display: grid; gap: .5rem; align-content: start; }
.phone-number-control { display: flex; align-items: stretch; min-width: 0; }
.phone-country-control { position: relative; flex: 0 0 116px; }
.phone-country-control select { width: 100%; height: 46px; margin: 0; border-top-right-radius: 0; border-bottom-right-radius: 0; }
.phone-country-display { position: absolute; inset: 1px 24px 1px 1px; display: flex; align-items: center; gap: .4rem; padding-left: .6rem; background: var(--white); color: var(--ink); border-radius: 5px 0 0 5px; pointer-events: none; }
.phone-country-display img { display: block; flex: none; }
.phone-country-display span { font-size: 13px; white-space: nowrap; }
.phone-number-control > input { flex: 1; width: 0; min-width: 0; height: 46px; margin: 0; border-left: 0; border-top-left-radius: 0; border-bottom-left-radius: 0; }
.access-actions > form { margin: 0; }
.access-schedule > form { padding: 1rem 0; max-width: 26rem; }
.access-schedule summary { cursor: pointer; }
[data-live-access] [hidden], [data-live-fragment][hidden] { display: none !important; }