:root{--ink:#162e34;--muted:#64777a;--paper:#f4f2ec;--card:#fff;--rail:#123842;--rail-2:#1d5660;--signal:#e56d34;--signal-dark:#bc4d1c;--line:#dce2df;--good:#2d7a5c;--warn:#b8791e;--danger:#b83a3a;--shadow:0 18px 50px rgba(15,43,49,.10);--radius:20px;--font:"Aptos","Segoe UI",system-ui,sans-serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:var(--font);color:var(--ink);background:var(--paper)}button,input,select,textarea{font:inherit}button{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid rgba(229,109,52,.35);outline-offset:2px}[hidden]{display:none!important}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(420px,.75fr);background:var(--rail)}.login-brand{position:relative;overflow:hidden;padding:clamp(48px,8vw,110px);display:flex;flex-direction:column;justify-content:center;color:#fff;background:radial-gradient(circle at 20% 20%,rgba(72,153,157,.35),transparent 34%),linear-gradient(145deg,#123842,#0c2930)}.login-brand h1{font-size:clamp(48px,6vw,86px);line-height:.98;letter-spacing:-.055em;max-width:760px;margin:18px 0 26px}.login-lead{font-size:clamp(18px,2vw,23px);line-height:1.55;max-width:610px;color:#d7e5e3}.eyebrow{text-transform:uppercase;letter-spacing:.15em;font-weight:800;font-size:12px;color:var(--signal);margin:0 0 8px}.brand-mark{width:76px;height:76px;border:2px solid rgba(255,255,255,.75);border-radius:18px;display:grid;place-items:center;position:relative;background:rgba(255,255,255,.06)}.brand-mark:before,.brand-mark:after{content:"";position:absolute;width:42px;height:2px;background:var(--signal);left:16px}.brand-mark:before{top:20px}.brand-mark:after{bottom:20px}.brand-mark span{font-size:21px;font-weight:900;letter-spacing:.08em}.brand-mark.small{width:46px;height:46px;border-radius:12px}.brand-mark.small:before,.brand-mark.small:after{width:24px;left:9px}.brand-mark.small:before{top:12px}.brand-mark.small:after{bottom:12px}.brand-mark.small span{font-size:13px}.track-lines{position:absolute;right:-80px;bottom:-35px;width:55%;height:280px;transform:rotate(-12deg);opacity:.22}.track-lines i{display:block;height:4px;background:#fff;margin:50px 0;box-shadow:0 18px 0 rgba(255,255,255,.7)}.login-card{background:#fbfaf7;padding:clamp(42px,7vw,100px);display:flex;flex-direction:column;justify-content:center}.login-card h2{font-size:42px;letter-spacing:-.04em;margin:4px 0 8px}.login-card>p:not(.eyebrow){color:var(--muted);line-height:1.5}.mobile-brand{display:none}.form-stack{display:grid;gap:18px;margin-top:28px}.form-stack label,.editor-grid label,.modal-panel>label{display:grid;gap:8px;font-size:13px;font-weight:800}.form-stack input,.editor-grid input,.editor-grid select,.editor-grid textarea,.modal-panel>label input,.field-input{width:100%;border:1px solid #cbd5d2;background:white;border-radius:12px;padding:13px 14px;color:var(--ink)}textarea{resize:vertical}.button{border:0;border-radius:12px;padding:12px 18px;font-weight:800;cursor:pointer;transition:.2s transform,.2s background}.button:hover{transform:translateY(-1px)}.button.primary{background:var(--signal);color:white}.button.primary:hover{background:var(--signal-dark)}.button.ghost{border:1px solid var(--line);background:#fff}.button.danger{background:#fff1f0;color:var(--danger);border:1px solid #f3c7c4}.button.small{padding:8px 12px;font-size:13px}.button.wide{width:100%;padding:14px}.text-button{border:0;background:transparent;color:var(--rail-2);font-weight:800;padding:16px 0;text-align:left;cursor:pointer}.login-note{font-size:13px}.form-error{min-height:20px;color:var(--danger)!important;margin:0}.app-shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:var(--rail);color:white;padding:26px 18px;display:flex;flex-direction:column;z-index:20}.sidebar-brand{display:flex;gap:12px;align-items:center;padding:0 8px 34px}.sidebar-brand strong,.sidebar-brand small{display:block}.sidebar-brand small{margin-top:3px;color:#9dc0bf}.sidebar nav{display:grid;gap:7px}.nav-item{border:0;background:transparent;color:#b9cfcd;border-radius:12px;padding:12px 14px;text-align:left;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:12px}.nav-item span{width:24px;font-size:19px}.nav-item:hover,.nav-item.active{background:rgba(255,255,255,.1);color:#fff}.nav-item.active{box-shadow:inset 3px 0 var(--signal)}.sidebar-footer{margin-top:auto;display:grid;gap:12px}.sibling-link{color:#c8d9d7;text-decoration:none;font-size:13px;padding:0 10px}.profile-chip{border:1px solid rgba(255,255,255,.13);background:rgba(255,255,255,.07);border-radius:14px;color:white;padding:10px;display:flex;gap:10px;align-items:center;text-align:left}.profile-chip strong,.profile-chip small{display:block;max-width:145px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-chip small{color:#aac4c2;margin-top:2px}.avatar{width:38px;height:38px;border-radius:50%;background:var(--signal);display:grid;place-items:center;font-weight:900}.logout-button{border:0;background:transparent;color:#aac4c2;text-align:left;padding:4px 10px;cursor:pointer}.content-shell{min-width:0}.topbar{height:104px;padding:24px clamp(22px,4vw,54px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(244,242,236,.88);backdrop-filter:blur(12px);position:sticky;top:0;z-index:10}.topbar h1{font-size:27px;margin:2px 0 0;letter-spacing:-.03em}.breadcrumb{margin:0;color:var(--muted);font-size:12px}.topbar-actions{display:flex;align-items:center;gap:12px}.today{color:var(--muted);font-size:13px}.icon-button,.menu-button{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;font-size:20px}.menu-button{display:none}.page{padding:36px clamp(22px,4vw,54px) 70px;max-width:1600px}.hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#174753,#123842);color:white;border-radius:26px;padding:clamp(28px,5vw,52px);display:grid;grid-template-columns:1.4fr .6fr;min-height:270px}.hero h2{font-size:clamp(32px,4vw,54px);line-height:1.03;letter-spacing:-.045em;margin:10px 0 16px;max-width:720px}.hero p{color:#d3e3e1;line-height:1.6;max-width:650px;font-size:17px}.hero .eyebrow{color:#ff9b65}.hero-stat{align-self:end;justify-self:end;text-align:right;position:relative;z-index:2}.hero-stat strong{display:block;font-size:68px;line-height:1}.hero-stat span{color:#bdd3d1}.hero:after{content:"";position:absolute;width:330px;height:330px;border:55px solid rgba(255,255,255,.06);border-radius:50%;right:-70px;top:-100px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0 38px}.stat-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}.stat-card strong{font-size:31px;display:block;letter-spacing:-.03em}.stat-card span{font-size:13px;color:var(--muted)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:34px 0 16px}.section-head h2{margin:0;font-size:25px;letter-spacing:-.03em}.section-head p{margin:5px 0 0;color:var(--muted)}.filters{display:flex;gap:9px;flex-wrap:wrap}.filter-button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 13px;cursor:pointer;font-size:13px}.filter-button.active{background:var(--rail);color:white;border-color:var(--rail)}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.course-card{background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 1px 0 rgba(10,30,35,.02);display:flex;flex-direction:column}.course-cover{height:10px;background:var(--cover,var(--rail))}.course-card-body{padding:22px;display:flex;flex-direction:column;flex:1}.course-meta{display:flex;justify-content:space-between;gap:10px;color:var(--muted);font-size:12px;font-weight:700}.course-card h3{font-size:21px;letter-spacing:-.025em;margin:16px 0 8px}.course-card p{color:var(--muted);line-height:1.5;margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.course-card-actions{display:flex;gap:8px;margin-top:auto;padding-top:4px}.course-card-actions .button:first-child{flex:1}.progress-line{height:7px;border-radius:99px;background:#e8ece9;overflow:hidden;margin:11px 0 8px}.progress-line i{display:block;height:100%;background:var(--signal);border-radius:inherit}.progress-label{display:flex;justify-content:space-between;color:var(--muted);font-size:12px}.status-pill{display:inline-flex;align-items:center;border-radius:99px;padding:5px 9px;font-size:11px;font-weight:800;background:#edf3f1;color:var(--rail-2)}.status-pill.completed{background:#e0f2e8;color:var(--good)}.status-pill.draft{background:#f1ede5;color:#776a55}.empty-state{border:1px dashed #bdc9c5;border-radius:18px;padding:52px;text-align:center;color:var(--muted);background:rgba(255,255,255,.45)}.empty-state strong{display:block;color:var(--ink);font-size:20px;margin-bottom:7px}.modal{border:0;padding:0;background:transparent;max-width:none;max-height:none;width:100vw;height:100vh}.modal::backdrop{background:rgba(8,29,34,.68);backdrop-filter:blur(5px)}.modal-panel{background:#fbfaf7;border-radius:22px;margin:4vh auto;width:min(1180px,calc(100% - 32px));max-height:92vh;overflow:auto;box-shadow:var(--shadow);padding:28px}.compact-panel{width:min(620px,calc(100% - 32px))}.modal-head{display:flex;align-items:start;justify-content:space-between;gap:20px;margin-bottom:25px}.modal-head h2{font-size:30px;margin:2px 0 0;letter-spacing:-.04em}.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding-top:22px;margin-top:20px;border-top:1px solid var(--line)}.course-layout{display:grid;grid-template-columns:330px 1fr;gap:26px}.course-sidebar{border-right:1px solid var(--line);padding-right:24px}.course-summary{background:var(--rail);color:white;padding:22px;border-radius:16px;margin-bottom:16px}.course-summary p{color:#c4d9d7;line-height:1.5}.module-list h3{font-size:14px;margin:22px 0 8px}.lesson-button{border:0;background:transparent;width:100%;padding:10px;border-radius:10px;display:flex;gap:9px;align-items:center;text-align:left;cursor:pointer;color:var(--muted)}.lesson-button:hover,.lesson-button.active{background:#e9eeeb;color:var(--ink)}.lesson-check{width:22px;height:22px;border:1px solid #b8c6c2;border-radius:50%;display:grid;place-items:center;flex:none;font-size:12px}.lesson-button.completed .lesson-check{background:var(--good);color:white;border-color:var(--good)}.lesson-content{min-height:500px}.lesson-content h3{font-size:32px;letter-spacing:-.04em;margin:5px 0 12px}.lesson-copy{font-size:17px;line-height:1.75;white-space:pre-wrap;max-width:850px}.media-frame{border:1px solid var(--line);background:#edf0ed;border-radius:15px;overflow:hidden;margin:24px 0}.media-frame iframe,.media-frame video{display:block;width:100%;height:min(58vh,620px);border:0;background:#111}.lesson-actions{display:flex;justify-content:space-between;align-items:center;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}.quiz-card{border:1px solid var(--line);border-radius:16px;padding:22px;margin:15px 0;background:white}.quiz-card h4{margin:0 0 14px;font-size:17px}.option{display:flex;align-items:flex-start;gap:10px;padding:9px 0;color:#41565a}.quiz-result{padding:20px;border-radius:15px;margin-bottom:20px}.quiz-result.good{background:#e3f2e9;color:#175b40}.quiz-result.bad{background:#fff0e7;color:#99451f}.admin-toolbar{display:flex;gap:10px}.admin-table{width:100%;border-collapse:collapse;background:white;border-radius:16px;overflow:hidden;border:1px solid var(--line)}.admin-table th,.admin-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.admin-table th{background:#edf1ee;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-size:11px}.admin-table tr:last-child td{border-bottom:0}.row-actions{display:flex;gap:7px;flex-wrap:wrap}.editor-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.editor-grid .full{grid-column:1/-1}.editor-section{border:1px solid var(--line);border-radius:16px;padding:18px;margin:18px 0;background:white}.editor-section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}.editor-section h3{margin:0}.builder-item{border:1px solid #dfe5e2;border-radius:13px;padding:14px;margin:11px 0;background:#fbfcfa}.builder-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:start}.lesson-editor,.question-editor{display:grid;grid-template-columns:1.4fr .6fr .7fr auto;gap:9px;margin:10px 0}.lesson-editor textarea,.question-editor textarea{grid-column:1/-1}.upload-control{display:flex;align-items:center;gap:8px}.upload-status{font-size:12px;color:var(--muted)}.selection-list{display:grid;gap:8px;max-height:55vh;overflow:auto;margin-top:18px}.selection-item{display:flex;gap:12px;align-items:center;border:1px solid var(--line);background:white;border-radius:12px;padding:12px}.selection-item span{display:grid}.selection-item small{color:var(--muted)}.certificate-panel{width:min(900px,calc(100% - 32px));position:relative}.certificate-close{position:absolute;right:20px;top:20px}.certificate{border:9px double var(--rail);padding:55px;text-align:center;background:#fff;position:relative}.certificate:before{content:"";position:absolute;inset:18px;border:1px solid #d9c8a7;pointer-events:none}.certificate .brand-mark{margin:0 auto 25px;background:var(--rail);color:#fff}.certificate h2{font-family:Georgia,serif;font-size:46px;margin:10px 0;color:var(--rail)}.certificate .participant{font-family:Georgia,serif;font-size:34px;margin:24px 0;color:var(--signal-dark)}.certificate p{line-height:1.7}.certificate-number{font-size:12px;color:var(--muted);letter-spacing:.08em}.toast-stack{position:fixed;right:20px;top:20px;z-index:100;display:grid;gap:10px}.toast{background:#122f36;color:#fff;padding:13px 17px;border-radius:12px;box-shadow:var(--shadow);animation:toast-in .2s ease}.toast.error{background:#8d2f2f}@keyframes toast-in{from{transform:translateY(-8px);opacity:0}}@media(max-width:1100px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stats-grid{grid-template-columns:repeat(2,1fr)}.course-layout{grid-template-columns:270px 1fr}}@media(max-width:800px){.login-shell{grid-template-columns:1fr;background:#fbfaf7}.login-brand{display:none}.login-card{padding:34px 24px}.mobile-brand{display:flex;align-items:center;gap:12px;margin-bottom:50px;color:var(--rail)}.mobile-brand .brand-mark{background:var(--rail);color:#fff}.app-shell{display:block}.sidebar{position:fixed;transform:translateX(-100%);width:280px;transition:.25s transform;box-shadow:var(--shadow)}.sidebar.open{transform:translateX(0)}.menu-button{display:grid}.today{display:none}.topbar{height:88px;padding:17px 20px}.topbar>div:first-of-type{margin-right:auto;margin-left:12px}.page{padding:22px 18px 50px}.hero{grid-template-columns:1fr;min-height:auto}.hero-stat{justify-self:start;text-align:left;margin-top:30px}.stats-grid{grid-template-columns:repeat(2,1fr)}.course-grid{grid-template-columns:1fr}.course-layout{grid-template-columns:1fr}.course-sidebar{border-right:0;border-bottom:1px solid var(--line);padding:0 0 20px}.editor-grid{grid-template-columns:1fr}.editor-grid .full{grid-column:auto}.lesson-editor,.question-editor{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.admin-table{display:block;overflow:auto}.modal-panel{padding:20px;margin:2vh auto;max-height:96vh}.certificate{padding:36px 20px}.certificate h2{font-size:34px}.certificate .participant{font-size:27px}}@media print{body>*:not(.certificate-modal){display:none!important}.certificate-modal{display:block!important;position:static;width:auto;height:auto}.certificate-modal::backdrop,.no-print,.certificate-close{display:none!important}.certificate-panel{margin:0;width:100%;box-shadow:none;padding:0}.certificate{min-height:95vh;display:flex;flex-direction:column;justify-content:center}}
/* Mobile, Offline, Prüfungen und Teilnehmerübersicht */
.network-status{display:inline-flex;align-items:center;gap:.4rem;padding:.4rem .7rem;border-radius:999px;background:#e4f4ed;color:#176449;font-size:.78rem;font-weight:800}.network-status.offline{background:#fff0df;color:#a64b00}.course-head-actions{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:flex-end}.quiz-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.exam-timer{position:sticky;top:1rem;background:#123842;color:#fff;border-radius:999px;padding:.7rem 1rem;font-size:1.1rem;font-weight:900}.question-image{display:block;max-width:min(100%,720px);max-height:420px;object-fit:contain;margin:1rem auto;border-radius:12px}.quiz-hint{color:var(--muted,#66777a)}.order-row,.match-row{display:grid;grid-template-columns:2.5rem minmax(0,1fr);align-items:center;gap:.75rem;margin:.6rem 0}.match-row{grid-template-columns:minmax(8rem,1fr) minmax(10rem,1.3fr)}.order-row select,.match-row select{width:100%;min-height:44px}.topic-scores{display:flex;gap:.7rem;flex-wrap:wrap;margin:.7rem 0}.topic-scores span{padding:.35rem .65rem;border-radius:999px;background:#fff9}.mes-cert-verification{display:flex;align-items:center;justify-content:center;gap:1rem;margin:1.3rem auto;max-width:520px}.mes-cert-verification img{width:92px;height:92px}.mes-cert-verification div{display:flex;flex-direction:column}.mes-cert-verification span,.mes-cert-verification small{font-size:.74rem;color:#5b6a6d}.participant-list{display:grid;gap:1rem}.participant-card{background:var(--card,#fff);border:1px solid var(--line,#d8dfdc);border-radius:16px;overflow:hidden}.participant-card summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.1rem;list-style:none}.participant-card summary>div:first-child{display:flex;flex-direction:column}.participant-card summary span{color:var(--muted,#66777a);font-size:.85rem}.participant-metrics{display:flex;flex-wrap:wrap;gap:.5rem}.participant-metrics span{padding:.4rem .65rem;border-radius:999px;background:var(--soft,#eef3f1)}.metric-overdue{color:#b52e20!important;font-weight:800}.participant-meta{padding:0 1.1rem 1rem;color:var(--muted,#66777a)}.participant-courses{border-top:1px solid var(--line,#d8dfdc)}.participant-courses article{display:grid;grid-template-columns:minmax(160px,1.6fr) minmax(100px,1fr) auto auto auto;align-items:center;gap:1rem;padding:1rem 1.1rem;border-bottom:1px solid var(--line,#d8dfdc)}.participant-courses article>div:first-child{display:flex;flex-direction:column}.mini-progress{height:7px;border-radius:9px;background:#dde5e2;overflow:hidden}.mini-progress i{display:block;height:100%;background:#ff6500}.exam-settings small{display:block;color:var(--muted,#66777a)}
@media(max-width:760px){body{padding-bottom:env(safe-area-inset-bottom)}.topbar{padding-top:max(12px,env(safe-area-inset-top))}.today{display:none}.network-status{font-size:0;width:12px;height:12px;padding:0;border:3px solid #e4f4ed}.network-status.offline{border-color:#fff0df}.button,.icon-button,.nav-item,.unit-row,.reader-nav{min-height:44px}.course-head-actions{justify-content:flex-start}.quiz-header{align-items:center}.participant-card summary{align-items:flex-start;flex-direction:column}.participant-courses article{grid-template-columns:1fr}.mes-cert-verification{align-items:flex-start}.editor-grid{grid-template-columns:1fr!important}.editor-grid .full{grid-column:auto!important}.question-editor{grid-template-columns:1fr!important}.reader-footer{padding-bottom:max(12px,env(safe-area-inset-bottom))}.modal-panel{max-width:100vw}.course-panel{border-radius:0}.match-row{grid-template-columns:1fr}}
@media(min-width:761px) and (max-width:1100px){.participant-courses article{grid-template-columns:minmax(160px,1.5fr) 1fr auto}.participant-courses article>*:nth-child(n+4){grid-column:auto}}