:root{--bg:#f4f6fb;--card:#fff;--text:#1f2937;--muted:#667085;--line:#e5e7eb;--primary:#2456d6;--danger:#b42318;--dangermuted:#b4231842}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:24px;padding:0 24px;position:sticky;top:0;z-index:2}.brand{font-weight:800;font-size:1.25rem}.topbar nav{display:flex;gap:14px;flex:1}.userbadge{display:flex;gap:10px;align-items:center}.userbadge small{color:var(--muted)}.container{max-width:1200px;margin:24px auto;padding:0 16px}.login-card,.panel{background:var(--card);border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 30px rgba(16,24,40,.06);padding:24px}.login-card{max-width:420px;margin:80px auto}.layout{display:grid;grid-template-columns:220px 1fr;gap:18px}.side{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;height:max-content}.side a{display:block;padding:12px;border-radius:12px;color:var(--text)}.side a.active,.side a:hover{background:#eef4ff}.compose,.button,button{background:var(--primary);color:white!important;border:0;border-radius:12px;padding:10px 14px;cursor:pointer;display:inline-block}.mail-list{display:flex;flex-direction:column}.mail-row{display:flex;align-items:center;gap:14px;padding:14px;border-bottom:1px solid var(--line);color:var(--text)}.mail-row:hover{background:#f9fafb}.mail-row.unread{font-weight:700;background:#fcfdff}.avatar{width:40px;height:40px;border-radius:50%;background:#dbeafe;color:#1d4ed8;display:grid;place-items:center;font-weight:800}.grow{display:flex;flex-direction:column;gap:4px;flex:1}.grow span{color:var(--muted)}time{color:var(--muted);font-size:.9rem}.actions{display:flex;gap:10px;align-items:center;justify-content:flex-end}.actions form{display:inline}.meta{background:#f9fafb;border:1px solid var(--line);border-radius:14px;padding:12px;margin:16px 0}.body{padding:15px;border:1px solid grey; border-radius:12px;margin-bottom:5px;font-size:1.05rem;line-height:1.6;border-top:1px solid var(--line);padding-top:18px;min-height:180px}label{display:flex;flex-direction:column;gap:6px;margin:12px 0;font-weight:650}input,select,textarea{font:inherit;border:1px solid #cfd4dc;border-radius:12px;padding:10px;background:white}textarea{resize:vertical}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:14px}.hint,.empty{color:var(--muted)}table{width:100%;border-collapse:collapse;margin-top:16px}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-size:.9rem}.flash{padding:12px 14px;border-radius:12px;margin-bottom:14px}.flash.success{background:#ecfdf3;color:#027a48}.flash.error{background:#fef3f2;color:#b42318}.inline-form{display:flex;gap:10px;align-items:end}.check{flex-direction:row;align-items:center}@media(max-width:800px){.layout{grid-template-columns:1fr}.topbar{height:auto;align-items:flex-start;flex-direction:column;padding:14px}.topbar nav{flex-wrap:wrap}.twocol{grid-template-columns:1fr}}


.recipient-input-wrap{position:relative;display:block}.recipient-input-wrap input{width:100%}.recipient-suggestions{display:none;position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:10;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 35px rgba(16,24,40,.16);max-height:270px;overflow:auto;padding:6px}.recipient-suggestions.open{display:block}.recipient-suggestion{width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;background:#fff;color:var(--text)!important;border:0;border-radius:10px;padding:10px 12px}.recipient-suggestion:hover,.recipient-suggestion:focus{background:#eef4ff}.recipient-suggestion span{font-size:.9rem;color:var(--muted)}.recipient-suggestion.muted{color:var(--muted)!important;cursor:default}

.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.hint{color:#667085;font-size:.95rem;line-height:1.45}
.card-sheet{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem;margin:1rem 0 2rem}
.login-card{border:1px dashed #98a2b3;border-radius:14px;background:#fff;padding:1rem;min-height:180px;box-shadow:0 2px 10px rgba(16,24,40,.06)}
.login-card h2{margin:.1rem 0 .7rem;font-size:1.1rem}
.login-card p{margin:.35rem 0}.login-card .student-name{font-size:1.2rem;font-weight:700;margin-bottom:.7rem}.login-card small{display:block;margin-top:.8rem;color:#667085}
@media (max-width:700px){.grid-2{grid-template-columns:1fr}}
@media print{
  body{background:#fff}.topbar,.no-print,.flash{display:none!important}.container{max-width:none;margin:0;padding:0}.card-sheet{display:grid;grid-template-columns:repeat(2,1fr);gap:8mm}.login-card{box-shadow:none;border:1px dashed #333;border-radius:6px;break-inside:avoid;page-break-inside:avoid;min-height:52mm;padding:6mm}a{color:#000;text-decoration:none}
}


.mail-folders .drop-folder{border:1px solid transparent;transition:background .15s,border-color .15s,transform .15s}.mail-folders .drop-folder.drag-over{background:#dbeafe;border-color:#2456d6;transform:translateX(4px)}.mail-row.dragging{opacity:.45}.drag-hint{margin:12px 6px 0;font-size:.85rem}.mailbox-layout .side{position:sticky;top:82px}

.unread-badge{display:inline-grid;place-items:center;min-width:1.35rem;height:1.35rem;padding:0 .35rem;border-radius:999px;background:var(--danger);color:#fff;font-size:.78rem;font-weight:800;margin-left:.25rem}.notify-toggle{background:#eef4ff!important;color:#1d4ed8!important;border:1px solid #bfdbfe;padding:7px 9px;border-radius:999px}.warning-panel{border-color:#f79009;background:#fffcf5}.simulation-form code{background:#f2f4f7;border-radius:6px;padding:.1rem .35rem}.simulation-form select{max-width:520px}
.status-badge{display:inline-block;font-size:.75rem;border-radius:999px;padding:.15rem .55rem;margin-left:.4rem;vertical-align:middle;background:#e5e7eb;color:#374151}.status-badge.ok{background:#dcfce7;color:#166534}.status-badge.danger{background:#fee2e2;color:#991b1b}.compact-form{display:inline-flex;gap:.4rem;margin:0}.danger-zone{border:1px solid #fecaca;background:#fff7f7}.danger-zone h2{color:#991b1b}.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}.admin-card{border:1px solid #e5e7eb;border-radius:1rem;padding:1rem;background:#fff}
button.danger,.button.danger{background:var(--dangermuted)!important}

/* Reply/forward editor */
.compose-editor{min-height:280px;width:100%;font:inherit;font-weight:400;line-height:1.55;border:1px solid #cfd4dc;border-radius:12px;padding:12px;background:#fff;outline:none;overflow:auto}
.compose-editor:focus{border-color:#84adff;box-shadow:0 0 0 3px rgba(36,86,214,.10)}
.compose-body-source{display:none}
.compose-editor p{margin:.55em 0}
.compose-editor blockquote,.mail-view .body blockquote{margin:1em 0 1em .25em;padding:.2em 0 .2em 1em;border-left:3px solid #cfd4dc;color:#475467}
.compose-editor blockquote blockquote,.mail-view .body blockquote blockquote{border-left-color:#98a2b3;margin-left:.5em}
.compose-editor blockquote p:first-child,.mail-view .body blockquote p:first-child{margin-top:.15em}
.compose-editor blockquote p:last-child,.mail-view .body blockquote p:last-child{margin-bottom:.15em}

/* MailLab v17.1: gerenderte Trainingsmail-Vorschau */
.simulation-editor{min-height:240px}
.simulation-editor a{pointer-events:none;cursor:default}
.simulation-editor a::after{content:"  (Trainingslink)";font-size:.78em;color:#667085;text-decoration:none}

/* MailLab v18 – Teacher Experience */
.teacher-hero{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:18px;padding:8px 4px}.teacher-hero h1{margin:.1rem 0 .25rem;font-size:2rem}.teacher-hero p{margin:0;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:800;color:var(--primary)!important;margin:0 0 .25rem}.section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.section-heading h2{margin-top:0}.progress-pill{white-space:nowrap;background:#eef4ff;color:#1d4ed8;border-radius:999px;padding:.4rem .7rem;font-weight:700;font-size:.85rem}.onboarding-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.onboarding-step{display:flex;gap:12px;border:1px solid var(--line);border-radius:14px;padding:14px;color:var(--text);background:#fff}.onboarding-step:hover{background:#f9fafb}.onboarding-step>strong{width:30px;height:30px;flex:0 0 30px;border-radius:50%;display:grid;place-items:center;background:#eef4ff;color:#1d4ed8}.onboarding-step.done>strong{background:#dcfce7;color:#166534}.onboarding-step span{display:flex;flex-direction:column;gap:3px}.onboarding-step small{color:var(--muted);line-height:1.35}.teacher-start{margin-bottom:18px}.teacher-class-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:14px;margin-top:14px}.teacher-class-card{border:1px solid var(--line);border-radius:16px;padding:18px}.class-card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}.class-card-top h3{font-size:1.45rem;margin:0}.class-card-top p{margin:.25rem 0;color:var(--muted)}.class-card-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px}.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.lesson-grid article{border:1px solid var(--line);border-radius:14px;padding:15px;background:#fcfdff}.lesson-grid p{color:var(--muted);margin:.45rem 0 0;line-height:1.45}.empty-state{text-align:center;padding:28px;border:1px dashed #cfd4dc;border-radius:14px}.empty-state p{color:var(--muted)}.class-admin-block{border-top:1px solid var(--line);margin-top:22px;padding-top:10px;scroll-margin-top:85px}.page-intro{margin-bottom:12px}@media(max-width:800px){.teacher-hero,.section-heading{flex-direction:column;align-items:flex-start}.onboarding-steps,.lesson-grid{grid-template-columns:1fr}.teacher-class-grid{grid-template-columns:1fr}}


   .carousel {
            position: relative;
            max-width: 600px;
            margin: 30px auto 50px auto;
            overflow: hidden;
            border: 2px solid #3498db;
            border-radius: 8px;
            background: #223344;
        }
        .carousel img {
            width: 100%;
            display: none;
        }
        .carousel img.active {
            display: block;
        }

        .prev, .next {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(0,0,0,0.5);
            color: white;
            font-weight: bold;
            font-size: 24px;
            padding: 8px 12px;
            cursor: pointer;
            border-radius: 50%;
            user-select: none;
            z-index: 10;
        }
        .prev { left: 10px; }
        .next { right: 10px; }

        .progress-container {
            width: 100%;
            height: 6px;
            background-color: #444;
            margin-top: 0;
            border-radius: 0 0 8px 8px;
            overflow: hidden;
        }
        .progress-bar {
            height: 100%;
            width: 0%;
            background-color: #3498db;
            transition: width linear;
        }