:root{font-family:Inter,Segoe UI,Arial,sans-serif;color:#162b45;background:#f3f6fa;font-synthesis:none;--blue: #0b377c;--accent: #1453a5;--muted: #627389;--line: #dce4ee;--shadow: 0 8px 28px rgb(17 44 80 / 5%)}*{box-sizing:border-box}body{margin:0;min-width:320px}a{color:var(--accent);text-underline-offset:3px}button,input,textarea,select{font:inherit}button,a,input,select,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}:focus-visible{outline:3px solid #689ee6;outline-offset:3px}h1,h2,h3,h4{margin:0 0 12px;color:#102f5b;overflow-wrap:anywhere}h1{font-size:clamp(2rem,4vw,3rem);letter-spacing:-.045em;line-height:1.12}h2{font-size:1.35rem;letter-spacing:-.025em}h3{font-size:1.13rem}h4{font-size:1rem}p{margin:0 0 18px;line-height:1.65;overflow-wrap:anywhere}small{font-size:.8rem}fieldset{padding:0;margin:0;border:0;min-width:0}legend{margin-bottom:12px;font-weight:700;line-height:1.5}label{display:grid;gap:7px;margin-bottom:17px;color:#344861;font-size:.86rem;font-weight:650}input:not([type=checkbox]):not([type=radio]),textarea,select{width:100%;padding:11px 13px;border:1px solid #cbd7e6;border-radius:9px;background:#fff;color:#162b45}input[type=file]{font-size:.85rem;padding:9px!important}input[type=checkbox],input[type=radio]{width:18px;height:18px;accent-color:var(--accent);flex:0 0 auto}input[readonly]{background:#f5f7fa!important}textarea{min-height:105px;resize:vertical;line-height:1.6}input:hover,textarea:hover,select:hover{border-color:#a1b8d5}input:focus,textarea:focus,select:focus{outline:3px solid #d9e7fa;border-color:var(--accent)}.check{display:flex;align-items:center;gap:8px;font-weight:550}.primary,.secondary,.danger,.quiet{display:inline-flex;gap:8px;align-items:center;justify-content:center;min-height:42px;padding:10px 16px;border-radius:9px;font-weight:700;font-size:.86rem;text-decoration:none;line-height:1.4;border:1px solid transparent}.primary{color:#fff;background:var(--accent);border-color:var(--accent);box-shadow:0 3px 9px #0e4ca521}.primary:hover:not(:disabled){background:var(--blue);border-color:var(--blue)}.secondary{color:var(--blue);background:#fff;border-color:#bdcfe5}.secondary:hover:not(:disabled){background:#edf4fe;border-color:#82a6d5}.danger{color:#a42d36;background:#fff;border-color:#efc2c7}.danger:hover:not(:disabled){background:#fff0f2}.quiet{color:var(--blue);background:transparent;padding:8px 11px}.quiet:hover:not(:disabled){background:#e7eef9}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1500px;min-height:94px;padding:16px 30px;margin:auto;display:flex;align-items:center;gap:32px;flex-wrap:wrap}.brand{display:inline-flex;flex-direction:column;align-items:flex-start;gap:5px;text-decoration:none;color:var(--blue)}.brand img{width:156px;height:auto;display:block}.brand small{display:block;font-size:.64rem;text-transform:uppercase;letter-spacing:.13em;font-weight:650}nav{display:flex;gap:8px;flex:1;align-items:center}nav a{padding:10px 12px;color:#61718a;text-decoration:none;font-size:.86rem;font-weight:700;border-radius:9px}nav a:hover{color:var(--blue);background:#f4f7fb}nav a.router-link-exact-active{color:var(--accent);background:#eaf1fc}.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto}.language-label{margin:0}.language-label select{width:65px;padding:8px 6px;background:#f7f9fc}.profile-link{max-width:170px;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;font-size:.82rem;text-decoration:none;color:var(--muted)}main{max-width:1420px;min-height:calc(100vh - 190px);padding:38px 30px 65px;margin:auto}main:focus{outline:none}.site-footer{padding:23px 25px;border-top:1px solid var(--line);color:var(--muted);text-align:center;font-size:.76rem}.skip-link{position:fixed;top:-100px;left:15px;background:#fff;z-index:100;padding:12px}.skip-link:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;clip:rect(0,0,0,0);overflow:hidden;white-space:nowrap}.page-heading{margin-bottom:30px}.page-heading h1{margin-top:8px;margin-bottom:13px}.page-heading p{color:var(--muted);max-width:820px}.eyebrow{display:block;margin-bottom:10px;color:var(--accent);text-transform:uppercase;letter-spacing:.13em;font-size:.7rem;font-weight:800}.eyebrow.light{color:#cbdffa}.back-link{display:inline-block;margin-bottom:20px;font-size:.85rem;font-weight:650;text-decoration:none}.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:25px;box-shadow:var(--shadow);margin-bottom:22px;min-width:0}.row{display:flex;align-items:center;justify-content:space-between;gap:15px;flex-wrap:wrap}.row h2,.row h3,.row h4{margin-bottom:0}.row+p{margin-top:16px}.actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.muted{color:var(--muted);font-size:.85rem}.prose{white-space:pre-line}.badge{display:inline-flex;padding:6px 10px;background:#edf2fa;color:#375578;border-radius:999px;font-size:.72rem;font-weight:750}.badge.green{color:#17643a;background:#e7f6ed}.notice{border-radius:11px;padding:15px 18px;background:#eaf1fb;border:1px solid #d3e3f9;margin:0 0 20px;font-size:.9rem;line-height:1.6}.notice.error{background:#fff1f1;border-color:#f0cbcf;color:#94232c}.notice.success{background:#eaf8ef;border-color:#c6e7d2;color:#18653c}.notice p:last-child{margin-bottom:0}.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:30px}.stats-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}.stat{border:1px solid var(--line);background:#fff;padding:22px;border-radius:15px;box-shadow:var(--shadow)}.stat>span{display:block;margin-bottom:9px;color:var(--muted);font-size:.8rem;font-weight:650}.stat strong{font-size:2.1rem;color:var(--blue);letter-spacing:-.035em}.stat strong small{font-weight:500;color:var(--muted);font-size:1rem}.dashboard-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);gap:25px}.stack{display:grid;align-content:start;gap:0}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.course-card{background:#fff;border:1px solid var(--line);border-radius:17px;overflow:hidden;box-shadow:var(--shadow)}.course-card.locked{background:#f9fafc}.course-card.locked .course-visual{filter:grayscale(.8)}.course-visual{position:relative;min-height:180px;aspect-ratio:4 / 1;background:linear-gradient(120deg,#0b377c,#2566b5);padding:23px;display:flex;flex-direction:column;justify-content:space-between;color:#fff;overflow:hidden}.course-visual img,.course-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.visual-shade{position:absolute;inset:0;background:linear-gradient(110deg,#051e44cc,#0b377c40)}.course-visual>span:not(.visual-shade),.course-visual>strong{position:relative;z-index:1}.course-visual>strong{font-size:2.8rem;letter-spacing:-.045em;line-height:1}.course-copy{padding:25px}.course-copy h2{margin-top:20px}.course-copy>p{color:var(--muted)}.course-copy small{color:var(--muted)}progress{display:block;width:100%;height:9px;border:0;border-radius:999px;background:#e6edf6;margin:20px 0;overflow:hidden;accent-color:var(--accent)}progress::-webkit-progress-bar{background:#e6edf6;border-radius:999px}progress::-webkit-progress-value{background:var(--accent);border-radius:999px}progress::-moz-progress-bar{background:var(--accent);border-radius:999px}.course-hero{position:relative;background:var(--blue);overflow:hidden;border-radius:19px;min-height:260px;margin-bottom:30px}.hero-copy{position:relative;z-index:1;padding:40px;color:#fff;max-width:950px}.hero-copy h1{color:#fff;margin-top:16px}.hero-copy p{margin-bottom:0;margin-top:15px;color:#dce8f9}.chapter>h2{margin-bottom:8px}.chapter>p{color:var(--muted)}.module{border:1px solid var(--line);background:#f8fafc;border-radius:13px;padding:22px;margin-top:18px;scroll-margin-top:24px}.module.completed{border-color:#a4d4b7;background:#f5fcf7}.module>p{margin-top:14px}.module-image{display:block;max-width:100%;max-height:400px;object-fit:contain;border-radius:11px;margin-bottom:20px}.document-links{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:20px}.quiz-panel{max-width:920px;margin:0 auto;padding:clamp(22px,5vw,45px)}.quiz-panel h2{margin-top:22px;font-size:1.5rem}.quiz-choice{display:flex;gap:14px;align-items:center;padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:11px;margin-bottom:11px;font-size:.97rem;font-weight:500;cursor:pointer}.quiz-choice.selected{background:#edf4ff;border-color:#7ba5df}.quiz-choice:hover{border-color:#7ba5df}.quiz-image{display:block;max-width:100%;max-height:420px;margin:20px 0;object-fit:contain;border-radius:10px}.quiz-panel fieldset{margin-bottom:24px}.auth-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.8fr);gap:35px;align-items:stretch;max-width:1150px;margin:20px auto}.auth-intro{min-height:530px;padding:clamp(30px,5vw,55px);border-radius:20px;background:linear-gradient(110deg,#07285aeb,#10488cba),url(/images/kueche.jpg) center / cover;color:#dce9fc;display:flex;flex-direction:column;justify-content:center}.auth-intro h1{color:#fff;font-size:clamp(2.3rem,4.5vw,3.8rem);margin:15px 0 22px}.auth-intro p{font-size:1.1rem}.auth-card{margin-bottom:0;padding:35px;display:flex;flex-direction:column;justify-content:center}.auth-card h2{font-size:1.8rem;margin-bottom:25px}.auth-card form{margin-bottom:24px}.auth-card .primary{width:100%;margin-top:6px}.two-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.search-label{margin:12px 0 25px;max-width:660px}.search-label input{padding:14px!important}.document-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.document-card{display:grid;grid-template-columns:54px minmax(0,1fr);gap:17px;margin:0}.document-card h2{font-size:1.1rem}.file-icon{display:grid;place-items:center;width:54px;height:60px;border:1px solid #d6e2f3;border-radius:10px;background:#edf3fd;color:var(--blue);font-size:.78rem;font-weight:850}.admin-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.admin-tile{text-decoration:none;color:#162b45;margin:0;padding:30px;transition:border-color .15s,transform .15s}.admin-tile:hover{transform:translateY(-2px);border-color:#93b5e3}.admin-tile p{color:var(--muted)}.admin-tile>span:last-child{color:var(--accent);font-size:.85rem;font-weight:700}.tile-symbol{display:inline-grid;place-items:center;width:47px;height:47px;background:#edf3fc;color:var(--accent);border-radius:11px;margin-bottom:20px;font-weight:800}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:18px;margin:20px 0 8px}.form-grid .wide{grid-column:1 / -1}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:32px}table{width:100%;border-collapse:collapse}th,td{padding:17px 19px;text-align:left;font-size:.86rem;border-bottom:1px solid #e6edf5}th{background:#f8fafd;color:#5e718c;font-size:.7rem;text-transform:uppercase;letter-spacing:.07em}td small{display:block;margin-top:5px;color:var(--muted)}tr:last-child td{border-bottom:0}.share-box{padding:20px;background:#eef5ff;border:1px solid #c8dcf8;border-radius:12px;margin-top:23px}.share-box input{font-size:.85rem}summary{cursor:pointer;color:var(--blue);font-weight:700;padding:4px 0}details[open]>summary{margin-bottom:20px}.create-course summary{font-size:1.05rem}.editor-layout{display:grid;grid-template-columns:285px minmax(0,1fr);gap:24px;align-items:start}.course-sidebar{padding:21px}.course-sidebar h2{font-size:1.05rem}.course-menu{list-style:none;padding:0;margin:20px 0 0}.course-menu li{border-bottom:1px solid #e5ecf5;padding-bottom:13px;margin-bottom:13px}.course-menu li:last-child{border-bottom:0;margin-bottom:0}.course-select{display:block;width:100%;text-align:left;border:1px solid transparent;background:#f8fafc;border-radius:10px;padding:13px;color:#304a6d}.course-select.active{border-color:#9bbce8;background:#eaf2ff;color:var(--blue)}.course-select small{display:block;font-size:.66rem;margin-bottom:8px;color:#657a96}.course-select strong{display:block;line-height:1.4}.course-menu .actions{justify-content:flex-end;margin-top:5px}.course-editor{padding:28px}.editor-toolbar{margin-top:22px;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;gap:15px;align-items:center;justify-content:space-between}.chapter-editor{border:1px solid #d4e0ee;border-radius:13px;padding:23px;margin:24px 0;background:#fcfdff}.module-editor{border-left:3px solid #739bcd;border-radius:0 11px 11px 0;background:#f2f6fc;padding:22px;margin:22px 0}.image-editor{margin:20px 0;border-top:1px solid var(--line);padding-top:17px}.editor-image{max-width:100%;max-height:190px;border-radius:10px;display:block;margin-bottom:15px}.module-documents{margin-top:25px}.document-order{list-style:none;padding:0;margin:15px 0}.document-order li{padding:12px 0;border-bottom:1px solid var(--line);display:flex;gap:15px;justify-content:space-between;flex-wrap:wrap;align-items:center}.document-order a{font-size:.85rem}.link-document{display:flex;gap:12px;align-items:end;margin:20px 0}.link-document label{flex:1;margin:0}.upload-box{border:1px dashed #b4c9e4;padding:20px;background:#f9fbff;border-radius:11px;margin:18px 0}.upload-box h4{margin-bottom:15px}.upload-box .notice{font-size:.84rem}.crop-source{max-width:100%;max-height:220px;object-fit:contain;margin-bottom:20px;border-radius:7px}.crop-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.crop-preview{display:block;max-width:100%;max-height:300px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:#e5eaf0;margin-bottom:20px}.bottom-save{display:flex;gap:12px;flex-wrap:wrap;margin:25px 0 0;padding-top:22px;border-top:1px solid var(--line)}.editor-empty{min-height:230px;display:flex;justify-content:center;flex-direction:column}.quiz-controls p{margin-top:20px;color:var(--muted)}.question-editor{max-width:1050px;margin:0 auto 24px}.question-editor>.row{margin-bottom:24px}.question-editor .option-list{margin:22px 0;padding:20px;border:1px solid var(--line);border-radius:11px;background:#f7faff}.option-list legend{padding:0 7px}.option-editor{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:17px;margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--line)}.option-editor .check{align-self:center}.option-editor .actions{grid-column:1 / -1;justify-content:flex-end}.option-editor label{margin-bottom:10px}.preview-dialog{border:1px solid var(--line);border-radius:17px;padding:clamp(22px,5vw,38px);max-width:900px;width:calc(100% - 35px);max-height:90vh;color:#162b45;box-shadow:0 15px 60px #081e3c33}.preview-dialog::backdrop{background:#081932a6}.preview-dialog>.row{margin-bottom:25px}.preview-dialog h2{margin-top:20px}.preview-dialog fieldset{margin-bottom:22px}.result-list{display:grid;grid-template-columns:minmax(120px,.4fr) 1fr;gap:12px 20px;font-size:.9rem}.result-list dt{font-weight:700;color:var(--muted)}.result-list dd{margin:0;overflow-wrap:anywhere}.not-found{max-width:800px;margin:40px auto;padding:45px}@media(max-width:1200px){.header-inner{gap:15px}.header-tools .profile-link{display:none}nav{gap:2px}.editor-layout{grid-template-columns:240px minmax(0,1fr)}}@media(max-width:1000px){.header-inner{padding:18px 24px}.header-inner nav{order:3;flex-basis:100%}nav a{flex:1;text-align:center}.dashboard-grid{grid-template-columns:1fr}.dashboard-grid aside{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.editor-layout{grid-template-columns:1fr}.course-menu{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.course-menu li{margin:0;border:0}.course-editor{padding:24px}.auth-layout{gap:24px;grid-template-columns:1fr 1fr}.auth-card{padding:26px}}@media(max-width:700px){main{padding:27px 17px 45px}.header-inner{padding:15px 17px}.brand img{width:138px}.header-tools{gap:4px}.header-tools .quiet{font-size:.75rem;padding:8px}.language-label select{width:58px}nav{overflow-x:auto;align-items:stretch}nav a{font-size:.72rem;padding:9px 6px;white-space:nowrap}.page-heading{margin-bottom:24px}.stats-grid,.stats-grid.four{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.stat{padding:16px}.stat strong{font-size:1.75rem}.course-grid,.two-columns,.document-grid,.admin-grid,.dashboard-grid aside{grid-template-columns:1fr}.course-visual{min-height:165px}.panel,.course-copy{padding:21px}.hero-copy{padding:30px 24px}.course-hero{min-height:235px}.module{padding:19px}.auth-layout{grid-template-columns:1fr;margin:0;gap:22px}.auth-intro{min-height:260px;padding:32px 27px}.auth-intro h1{font-size:2.2rem}.auth-intro p{font-size:.95rem}.auth-card{padding:27px}.form-grid{grid-template-columns:1fr}.course-menu{grid-template-columns:repeat(2,minmax(0,1fr))}.course-editor{padding:19px}.chapter-editor{padding:17px}.module-editor,.upload-box{padding:15px}.crop-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.option-editor{grid-template-columns:1fr}.option-editor .actions{justify-content:flex-start}.question-editor .option-list{padding:14px}.link-document{flex-direction:column;align-items:stretch}.editor-toolbar .actions{width:100%}.editor-toolbar .actions>*{flex:1}.document-card{grid-template-columns:42px minmax(0,1fr);gap:12px}.file-icon{width:42px;height:49px;font-size:.65rem}.not-found{padding:28px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}