*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Arial,Helvetica,sans-serif;background:#f3f4f6;color:#1f2937;min-height:100vh}
.view{min-height:100vh}

/* Login */
.login-card{max-width:380px;margin:80px auto;background:white;border-radius:8px;box-shadow:0 4px 20px rgba(0,0,0,.1);padding:32px}
.login-header{text-align:center;margin-bottom:24px}
.login-header i{font-size:2.5em;color:#7c3aed;margin-bottom:8px}
.login-header h1{font-size:18px;color:#1f2937}
.login-header p{font-size:13px;color:#6b7280;margin-top:4px}
.login-error{margin-top:12px;padding:8px 12px;background:#fee2e2;color:#991b1b;border-radius:4px;font-size:13px}

/* Header */
.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:#1f2937;color:white}
.header-left{display:flex;align-items:center;gap:10px}
.header-left h1{font-size:16px;font-weight:600}
.header-left i{color:#7c3aed}
.header-right{display:flex;align-items:center;gap:10px}
.user-badge{font-size:12px;color:#d1d5db}

/* Toolbar */
.toolbar{padding:12px 20px;background:white;border-bottom:1px solid #e5e7eb;display:flex;gap:8px}

/* Content */
.content{padding:16px 20px;max-width:900px;margin:0 auto}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid transparent;border-radius:4px;font-size:13px;font-weight:500;cursor:pointer;transition:background .15s}
.btn-sm{padding:5px 10px;font-size:12px}
.btn-full{width:100%;justify-content:center;padding:10px}
.btn-primary{background:#7c3aed;color:white;border-color:#7c3aed}
.btn-primary:hover{background:#6d28d9}
.btn-secondary{background:#f3f4f6;color:#374151;border-color:#d1d5db}
.btn-secondary:hover{background:#e5e7eb}
.btn-outline{background:white;color:#7c3aed;border-color:#7c3aed}
.btn-outline:hover{background:#f5f3ff}
.btn-danger{background:#ef4444;color:white}

/* Forms */
.form-group{display:flex;flex-direction:column;gap:4px;flex:1}
.form-group label{font-size:12px;font-weight:500;color:#374151}
.form-row{display:flex;gap:12px;margin-bottom:10px}
.form-input,.form-select,.form-textarea{padding:7px 10px;border:1px solid #d1d5db;border-radius:4px;font-size:13px;font-family:inherit}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:#7c3aed;box-shadow:0 0 0 2px rgba(124,58,237,.15)}
.form-textarea{resize:vertical}
.mono{font-family:'Courier New',monospace;font-weight:700}
.checkbox-label{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer}

/* Sections */
.form-section{margin-bottom:16px}
.section-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#6b7280;border-bottom:2px solid #e5e7eb;padding-bottom:4px;margin-bottom:10px}
.form-section-collapsible{margin-top:8px;border:1px solid #e5e7eb;border-radius:4px;padding:8px 12px}
.form-section-collapsible[open] .fa-chevron-right{transform:rotate(90deg)}
.form-section-collapsible .fa-chevron-right{transition:transform .2s;font-size:10px;margin-right:4px}
.form-section-collapsible summary{cursor:pointer;list-style:none}

/* Cards */
.nachrichten-list{display:flex;flex-direction:column;gap:6px}
.vn-card{display:flex;align-items:center;gap:12px;padding:10px 14px;background:white;border:1px solid #e5e7eb;border-radius:6px;cursor:pointer;transition:background .15s}
.vn-card:hover{background:#f9fafb}
.vn-card-nr{font-family:'Courier New',monospace;font-weight:700;font-size:14px;min-width:60px}
.vn-card-info{flex:1;min-width:0}
.vn-card-betreff{font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vn-card-meta{font-size:11px;color:#6b7280;margin-top:2px}
.vn-card-actions{display:flex;gap:4px}
.vn-card-actions button{background:none;border:1px solid #d1d5db;border-radius:4px;padding:4px 8px;cursor:pointer;color:#6b7280;font-size:12px}
.vn-card-actions button:hover{background:#f3f4f6;color:#374151}
.empty-state{text-align:center;padding:40px;color:#9ca3af}
.empty-state i{font-size:2em;margin-bottom:8px}

/* Badges */
.badge{display:inline-block;padding:2px 8px;border-radius:3px;font-size:10px;font-weight:700;font-family:monospace;letter-spacing:.06em}
.badge-eee{background:#e5e7eb;color:#374151}
.badge-sss{background:#fef3c7;color:#92400e}
.badge-bbb{background:#fee2e2;color:#991b1b}
.badge-entwurf{background:#e5e7eb;color:#6b7280}
.badge-gedruckt{background:#d1fae5;color:#065f46}

/* Modal */
.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:1000;align-items:center;justify-content:center}
.modal-content{background:white;border-radius:8px;width:95%;max-width:700px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-wide{max-width:900px}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid #e5e7eb}
.modal-header h3{font-size:15px;display:flex;align-items:center;gap:8px}
.modal-close{background:none;border:none;font-size:22px;cursor:pointer;color:#6b7280;padding:0 4px}
.modal-body{padding:16px 20px;overflow-y:auto;flex:1}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 20px;border-top:1px solid #e5e7eb}

/* Toast */
#toast-container{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:10px 16px;border-radius:6px;font-size:13px;color:white;animation:fadeIn .2s}
.toast-success{background:#059669}
.toast-error{background:#dc2626}
@keyframes fadeIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}

@media(max-width:600px){.form-row{flex-direction:column}.login-card{margin:20px 12px}.content{padding:12px}}

/* ==================== Navigation Tabs ==================== */
.nav-tabs{display:flex;background:white;border-bottom:2px solid #e5e7eb;padding:0 12px;overflow-x:auto;gap:2px}
.nav-tab{padding:10px 16px;border:none;background:none;font-size:12px;font-weight:500;color:#6b7280;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;white-space:nowrap;display:flex;align-items:center;gap:6px;transition:all .15s}
.nav-tab:hover{color:#374151;background:#f9fafb}
.nav-tab.active{color:#7c3aed;border-bottom-color:#7c3aed;font-weight:600}
.tab-pruefung{color:#dc2626}
.tab-pruefung.active{color:#dc2626;border-bottom-color:#dc2626}
.view-content{display:none;min-height:calc(100vh - 110px)}
.view-content.active{display:block}

/* ==================== Modul Layout ==================== */
.modul-container{max-width:800px;margin:0 auto;padding:20px}
.modul-header h2{font-size:18px;display:flex;align-items:center;gap:8px;margin-bottom:6px}
.modul-header p{font-size:13px;color:#6b7280;margin-bottom:12px}
.modul-info{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:6px;padding:12px;font-size:12px;line-height:1.6;margin-bottom:16px}
.modul-info code{background:#e5e7eb;padding:1px 5px;border-radius:3px;font-family:'Courier New',monospace;font-weight:700}
.modul-aufgabe{background:white;border:1px solid #e5e7eb;border-radius:8px;padding:20px}
.aufgabe-text{font-size:16px;font-weight:600;margin-bottom:12px;color:#1f2937}
.aufgabe-bereich{font-size:12px;color:#6b7280;margin-bottom:16px;font-style:italic}
.modul-actions{display:flex;align-items:center;gap:12px;margin-top:16px;padding-top:12px;border-top:1px solid #f3f4f6}
.score{font-size:13px;font-weight:600;color:#7c3aed;margin-left:auto}

/* Feedback */
.feedback{padding:12px 16px;border-radius:6px;margin-top:12px;font-size:13px;line-height:1.5}
.feedback.success{background:#d1fae5;border:1px solid #6ee7b7;color:#065f46}
.feedback.error{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b}
.feedback.info{background:#dbeafe;border:1px solid #93c5fd;color:#1e40af}

/* Optionen (Modul 2) */
.optionen-grid{display:flex;flex-direction:column;gap:8px;margin:12px 0}
.option-btn{display:flex;align-items:center;gap:10px;padding:12px 16px;border:2px solid #e5e7eb;border-radius:6px;background:white;cursor:pointer;font-size:14px;transition:all .15s}
.option-btn:hover{border-color:#7c3aed;background:#f5f3ff}
.option-btn.selected{border-color:#7c3aed;background:#f5f3ff}
.option-btn.correct{border-color:#059669;background:#d1fae5}
.option-btn.wrong{border-color:#dc2626;background:#fee2e2}
.option-btn .option-circle{width:20px;height:20px;border:2px solid #d1d5db;border-radius:50%;flex-shrink:0}
.option-btn.selected .option-circle{border-color:#7c3aed;background:#7c3aed}
.option-btn.correct .option-circle{border-color:#059669;background:#059669}
.option-btn.wrong .option-circle{border-color:#dc2626;background:#dc2626}

/* Einsatztext (Modul 3) */
.einsatztext-box{background:#fffbeb;border:1px solid #fcd34d;border-radius:6px;padding:16px;margin-bottom:16px;font-size:13px;line-height:1.6;white-space:pre-wrap}
.vordruck-form{display:flex;flex-direction:column;gap:10px}
.vordruck-form .form-group label{font-weight:600}
.aufgaben-liste{display:flex;flex-direction:column;gap:8px}
.aufgabe-card{padding:14px 16px;background:white;border:1px solid #e5e7eb;border-radius:6px;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:12px}
.aufgabe-card:hover{border-color:#7c3aed;background:#f5f3ff}
.aufgabe-card .schwierigkeit{font-size:10px;font-weight:700;padding:2px 8px;border-radius:3px}
.schwierigkeit-leicht{background:#d1fae5;color:#065f46}
.schwierigkeit-mittel{background:#fef3c7;color:#92400e}
.schwierigkeit-schwer{background:#fee2e2;color:#991b1b}

/* Farbtabelle (Modul 4) */
.farbtabelle{width:100%;border-collapse:collapse;font-size:12px;margin-top:8px}
.farbtabelle th,.farbtabelle td{padding:6px 10px;border:1px solid #d1d5db;text-align:left}
.farbtabelle th{background:#f3f4f6;font-weight:600}
.farbchip{display:inline-block;width:14px;height:14px;border-radius:2px;border:1px solid #999;vertical-align:middle;margin-right:4px}
.farbchip.weiss{background:white}
.farbchip.gruen{background:#86efac}
.farbchip.rot{background:#fca5a5}
.farbchip.gelb{background:#fde68a}

/* Farb-Buttons (Modul 4) */
.farb-optionen{display:flex;gap:8px;margin:8px 0}
.farb-btn{padding:8px 16px;border:2px solid #e5e7eb;border-radius:6px;cursor:pointer;font-size:12px;font-weight:600;background:white;transition:all .15s;display:flex;align-items:center;gap:6px}
.farb-btn:hover{transform:scale(1.05)}
.farb-btn.selected{box-shadow:0 0 0 2px #7c3aed}
.farb-btn.fb-weiss{border-color:#d1d5db}.farb-btn.fb-weiss.selected{background:#f3f4f6}
.farb-btn.fb-gruen{border-color:#86efac}.farb-btn.fb-gruen.selected{background:#d1fae5}
.farb-btn.fb-rot{border-color:#fca5a5}.farb-btn.fb-rot.selected{background:#fee2e2}
.farb-btn.fb-gelb{border-color:#fde68a}.farb-btn.fb-gelb.selected{background:#fef3c7}

/* Ergebnis (Modul 3 + Prüfung) */
.ergebnis-box{margin-top:16px;border:2px solid #e5e7eb;border-radius:8px;overflow:hidden}
.ergebnis-header{padding:14px 16px;font-weight:700;font-size:15px;display:flex;align-items:center;gap:8px}
.ergebnis-header.bestanden{background:#d1fae5;color:#065f46}
.ergebnis-header.nicht-bestanden{background:#fee2e2;color:#991b1b}
.ergebnis-zeile{display:flex;align-items:center;gap:10px;padding:8px 16px;border-top:1px solid #f3f4f6;font-size:13px}
.ergebnis-zeile .feld-name{flex:1;font-weight:500}
.ergebnis-zeile .feld-status{width:24px;text-align:center}
.ergebnis-zeile.korrekt .feld-status{color:#059669}
.ergebnis-zeile.falsch .feld-status{color:#dc2626}
.ergebnis-zeile .feld-hinweis{font-size:11px;color:#6b7280;flex:2}

/* Prüfungsmodus Timer */
.pruefung-timer{font-size:24px;font-family:'Courier New',monospace;font-weight:700;color:#dc2626;text-align:center;margin:12px 0}