:root {
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #475569;
  --secondary-hover: #334155;
  --bg-color: #f8fafc;
  --card-bg: #fff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --error-bg: #fef2f2;
  --error-text: #dc2626;
  --success-bg: #f0fdf4;
  --success-text: #166534;
  --radius: 12px;
  --shadow: 0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);
}

[v-cloak] { display:none !important; }
* { box-sizing:border-box; margin:0; padding:0; }
body { font-family:'Inter',sans-serif; background:var(--bg-color); color:var(--text-main); min-height:100vh; }

/* LOGIN */
.login-container { display:flex; justify-content:center; align-items:center; min-height:100vh; padding:20px; background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%); }
.login-card { background:var(--card-bg); padding:40px; border-radius:var(--radius); box-shadow:var(--shadow); width:100%; max-width:420px; }
.login-header { text-align:center; margin-bottom:30px; }
.logo-icon { font-size:2.5rem; color:var(--primary-color); margin-bottom:12px; }
.login-header h2 { font-size:1.5rem; font-weight:700; margin-bottom:6px; }
.login-header p { color:var(--text-muted); font-size:.875rem; }

/* FORMULARE */
.form-group { margin-bottom:20px; }
.form-group label { display:block; font-size:.875rem; font-weight:600; margin-bottom:8px; }
.input-wrapper { position:relative; display:flex; align-items:center; }
.input-wrapper i { position:absolute; left:14px; color:var(--text-muted); }
.input-wrapper input { width:100%; padding:12px 14px 12px 42px; border:1px solid var(--border-color); border-radius:8px; font-size:.95rem; outline:none; transition:border-color .2s,box-shadow .2s; }
.input-wrapper input:focus { border-color:var(--primary-color); box-shadow:0 0 0 3px rgba(37,99,235,.1); }
.btn { padding:12px 20px; border:none; border-radius:8px; font-weight:600; cursor:pointer; transition:background-color .2s,opacity .2s; }
.btn:disabled { opacity:.6; cursor:not-allowed; }
.btn-primary { background-color:var(--primary-color); color:#fff; }
.btn-primary:hover:not(:disabled) { background-color:var(--primary-hover); }
.btn-secondary { background-color:#f1f5f9; color:var(--secondary-color); border:1px solid var(--border-color); }
.btn-secondary:hover:not(:disabled) { background-color:#e2e8f0; }
.btn-danger { background-color:#dc2626; color:#fff; }
.btn-danger:hover:not(:disabled) { background-color:#b91c1c; }
.btn-block { width:100%; }
.error-message { background-color:var(--error-bg); color:var(--error-text); padding:10px 14px; border-radius:8px; font-size:.875rem; margin-bottom:20px; }

/* APP LAYOUT */
.app-layout { display:flex; height:100vh; min-height:100vh; overflow:hidden; position:relative; }
.sidebar { width:260px; height:100vh; background-color:#0f172a; color:#fff; display:flex; flex-direction:column; flex-shrink:0; overflow-y:auto; transition:transform .3s ease-in-out; }
.sidebar-brand { padding:24px; font-size:1.25rem; font-weight:700; display:flex; align-items:center; gap:12px; border-bottom:1px solid #1e293b; }
.sidebar-nav { display:flex; flex-direction:column; padding:16px; gap:8px; flex-grow:1; }
.nav-item { display:flex; align-items:center; gap:12px; padding:12px 16px; background:none; border:none; color:#94a3b8; border-radius:8px; cursor:pointer; font-size:.95rem; font-weight:500; text-align:left; transition:all .2s; }
.nav-item:hover,.nav-item.active { color:#fff; background-color:#1e293b; }
.nav-item.active { background-color:var(--primary-color); }
.sidebar-footer { padding:16px; border-top:1px solid #1e293b; }
.btn-logout { width:100%; padding:10px; background:none; border:1px solid #334155; color:#f8fafc; border-radius:8px; cursor:pointer; display:flex; align-items:center; justify-content:center; gap:8px; }
.btn-logout:hover { background-color:#1e293b; }

/* MAIN CONTENT */
.main-content { flex-grow:1; min-width:0; height:100vh; display:flex; flex-direction:column; overflow:hidden; }
.topbar { flex-shrink:0; position:sticky; top:0; z-index:100; background-color:var(--card-bg); padding:20px 32px; border-bottom:1px solid var(--border-color); min-height:76px; display:flex; align-items:center; box-shadow:0 1px 3px rgba(0,0,0,.04); }
.page-title { font-size:1.5rem; font-weight:700; }
.back-button { width:40px; height:40px; border-radius:8px; border:1px solid var(--border-color); background:#fff; color:var(--text-main); cursor:pointer; display:flex; align-items:center; justify-content:center; transition:all .2s; }
.back-button:hover { background-color:#f1f5f9; color:var(--primary-color); }
.license-badge { background-color:#f1f5f9; padding:8px 14px; border-radius:20px; font-size:.85rem; color:var(--text-muted); display:flex; align-items:center; gap:8px; white-space:nowrap; }
.content-body { flex:1; min-width:0; overflow-y:auto; overflow-x:hidden; padding:32px; }

/* CARDS */
.card { background:var(--card-bg); border-radius:var(--radius); border:1px solid var(--border-color); padding:24px; box-shadow:0 1px 3px rgba(0,0,0,.05); min-width:0; }
.card h2 { font-size:1.25rem; font-weight:700; }
.card-header { display:flex; align-items:flex-start; justify-content:space-between; gap:20px; margin-bottom:24px; }
.card-subtitle { color:var(--text-muted); font-size:.875rem; margin-top:6px; }

/* TABELLEN CONTAINER */
.grid-card { width:100%; min-width:0; overflow-x:auto; }
.veranstaltungen-table-container { width:100%; min-width:0; overflow-x:auto; }

/* DATATABLES - KORRIGIERTE SPALTEN-AUSRICHTUNG */
.dataTables_wrapper { width:100% !important; margin:0 auto; }
.dataTables_wrapper .dataTables_filter { margin-bottom:12px; }
.dataTables_wrapper .dataTables_length { margin-bottom:12px; }
.dataTables_wrapper .dataTables_info { margin-top:12px; font-size:.78rem; color:var(--text-muted); }
.dataTables_wrapper .dataTables_paginate { margin-top:12px; font-size:.8rem; }
.dataTables_wrapper .dataTables_paginate .paginate_button { padding:4px 8px !important; margin-left:2px; border-radius:6px; }
.dataTables_wrapper .dataTables_filter input { height:32px; padding:5px 9px; border:1px solid var(--border-color); border-radius:7px; font-size:.82rem; }
.dataTables_wrapper .dataTables_length select { height:32px; padding:4px 7px; border:1px solid var(--border-color); border-radius:7px; font-size:.82rem; }

/* Synchronisierung von Header & Body bei scrollX */
div.dataTables_scrollHead,div.dataTables_scrollBody { width:100% !important; overflow:visible !important; }
div.dataTables_scrollHeadInner { width:max-content !important; padding-right:0 !important; }
div.dataTables_scrollHeadInner > table.dataTable,div.dataTables_scrollBody > table.dataTable { width:max-content !important; min-width:100%; table-layout:auto !important; margin:0 !important; }

table.dataTable { clear:both; border-collapse:collapse !important; }
table.dataTable thead th,table.dataTable tbody td { white-space:nowrap !important; box-sizing:border-box !important; }

#veranstaltungenTable thead th { padding:10px 14px !important; font-size:.75rem; font-weight:600; color:#475569; background:#f8fafc; }
#veranstaltungenTable tbody td { padding:10px 14px !important; line-height:1.3; vertical-align:middle; }
#veranstaltungenTable tbody tr { cursor:pointer; }
#veranstaltungenTable tbody tr:hover { background:#eff6ff !important; }

/* Scrollbar Styling */
div.dataTables_scrollBody::-webkit-scrollbar,.veranstaltungen-table-container::-webkit-scrollbar { height:7px; }
div.dataTables_scrollBody::-webkit-scrollbar-track,.veranstaltungen-table-container::-webkit-scrollbar-track { background:#f1f5f9; }
div.dataTables_scrollBody::-webkit-scrollbar-thumb,.veranstaltungen-table-container::-webkit-scrollbar-thumb { background:#94a3b8; border-radius:4px; }
div.dataTables_scrollBody::-webkit-scrollbar-thumb:hover,.veranstaltungen-table-container::-webkit-scrollbar-thumb:hover { background:#64748b; }

/* FORMULARE */
.dashboard-form,.detail-form { margin-top:20px; display:flex; flex-direction:column; gap:16px; }
.detail-form { margin-top:20px; }
.dashboard-form h3 { font-size:1.1rem; font-weight:600; margin-top:8px; }
.form-row { display:flex; gap:16px; }
.form-row .form-group { flex:1; }
.dashboard-form .form-group,.detail-form .form-group { display:flex; flex-direction:column; gap:6px; }
.dashboard-form input,.detail-form input,.detail-form textarea { padding:10px 14px; border:1px solid var(--border-color); border-radius:8px; font-size:.95rem; font-family:inherit; outline:none; width:100%; transition:border-color .2s,box-shadow .2s; }
.dashboard-form input:focus:not(.readonly-input),.detail-form input:focus,.detail-form textarea:focus { border-color:var(--primary-color); box-shadow:0 0 0 3px rgba(37,99,235,.1); }
.detail-form textarea { resize:vertical; min-height:70px; }
.readonly-input { background:#f1f5f9; color:var(--text-muted); cursor:not-allowed; }
.form-divider { border:0; border-top:1px solid var(--border-color); margin:12px 0; }
.form-actions { display:flex; justify-content:flex-end; gap:10px; margin-top:12px; }
.detail-actions { padding-top:16px; margin-top:12px; border-top:1px solid var(--border-color); }

/* ==========================================================================
   KOMPAKTE VERANSTALTUNGS-DETAILANSICHT
   ========================================================================== */

.detail-card { padding:18px 20px; }

.detail-header { display:flex; justify-content:space-between; align-items:center; gap:16px; padding-bottom:12px; border-bottom:1px solid var(--border-color); }
.detail-header h2 { font-size:1.15rem; line-height:1.3; }
.detail-header .card-subtitle { margin-top:3px; font-size:.78rem; }

.detail-form.compact-detail-form { margin-top:14px; gap:0; }

.detail-form-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px 12px; align-items:start; }

.detail-form-grid .form-group { margin-bottom:0; min-width:0; gap:4px; }

.detail-form-grid .form-group label { font-size:.76rem; line-height:1.2; margin-bottom:0; color:#475569; }

.detail-form-grid .form-group input,
.detail-form-grid .form-group textarea { padding:7px 9px; min-height:34px; height:34px; border-radius:6px; font-size:.84rem; line-height:1.25; }

.detail-form-grid .form-group textarea { height:auto; min-height:50px; resize:vertical; }

.detail-form-grid .form-group.detail-field-wide { grid-column:span 2; }
.detail-form-grid .form-group.detail-field-full { grid-column:1 / -1; }

.detail-form-grid .form-group:has(textarea) input,
.detail-form-grid .form-group:has(textarea) textarea { min-height:50px; }

.detail-form.compact-detail-form .form-actions.detail-actions { padding-top:12px; margin-top:14px; }

.detail-actions { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:8px; }

.detail-actions-left,
.detail-actions-right { display:flex; align-items:center; flex-wrap:wrap; gap:8px; }

.detail-actions .btn { padding:8px 12px; border-radius:6px; font-size:.82rem; line-height:1.2; display:inline-flex; align-items:center; justify-content:center; gap:6px; }

.detail-actions .btn i { font-size:.78rem; }

.detail-actions .btn-danger { background:#dc2626; color:#fff; }
.detail-actions .btn-danger:hover:not(:disabled) { background:#b91c1c; }

.detail-participant-actions { display:flex; align-items:center; flex-wrap:wrap; gap:8px; }

.detail-participant-actions .btn { padding:8px 12px; font-size:.82rem; }

.detail-participant-count { color:var(--text-muted); font-size:.78rem; padding:0 4px; }

/* Kompakte Readonly-Felder */
.detail-form-grid .readonly-input { background:#f8fafc; color:#64748b; }

/* BANNER */
.error-banner { background:var(--error-bg); color:var(--error-text); padding:14px 18px; border-radius:8px; margin-bottom:20px; border:1px solid #fecaca; }
.success-banner { background:var(--success-bg); color:var(--success-text); border:1px solid #bbf7d0; padding:14px 18px; border-radius:8px; margin-bottom:20px; }

/* LOADING */
.loading-spinner { text-align:center; padding:40px; color:var(--text-muted); }
.loading-spinner p { margin-top:12px; }

/* BURGER MENU & RESPONSIVE */
.mobile-toggle { display:none; background:transparent; border:none; font-size:1.5rem; color:var(--text-main); cursor:pointer; margin-right:14px; padding:4px; }
.sidebar-overlay { display:none; position:fixed; top:0; left:0; width:100vw; height:100vh; background:rgba(15,23,42,.5); z-index:200; }

@media (max-width:1100px) {
  .detail-form-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .detail-form-grid .form-group.detail-field-wide { grid-column:span 2; }
}

@media (max-width:768px) {
  .mobile-toggle { display:flex; align-items:center; justify-content:center; }
  .sidebar-overlay { display:block; }
  .sidebar { position:fixed; top:0; left:0; bottom:0; z-index:300; width:260px; transform:translateX(-100%); }
  .sidebar.is-open { transform:translateX(0); }
  .app-layout { flex-direction:column; }
  .topbar { padding:12px 16px; min-height:60px; }
  .content-body { padding:16px; }
  .form-row { flex-direction:column; gap:0; }
  .detail-header { flex-direction:column; align-items:stretch; }
  .form-actions { flex-direction:column-reverse; align-items:stretch; }
  .form-actions .btn { width:100%; }

  .detail-card { padding:14px; }
  .detail-form-grid { grid-template-columns:1fr; gap:9px; }
  .detail-form-grid .form-group.detail-field-wide,
  .detail-form-grid .form-group.detail-field-full { grid-column:1 / -1; }

  .detail-actions { flex-direction:column; align-items:stretch; }
  .detail-actions-left,
  .detail-actions-right,
  .detail-participant-actions { width:100%; flex-direction:column; align-items:stretch; }

  .detail-actions .btn,
  .detail-participant-actions .btn { width:100%; }
}

@media (max-width:600px) {
  .page-title { font-size:1.25rem; }
  .sidebar-brand { padding:18px; }
  .sidebar-nav { padding:10px; }
}

/* Header mit Zurück-Button */
.teilnehmer-view .card-header { display:flex; align-items:center; gap:16px; margin-bottom:16px; }
.teilnehmer-view .card-header > div { display:flex; align-items:center; gap:12px; }

/* ==========================================================================
   ULTRA-KOMPAKTE DATA TABLE (Teilnehmerliste)
   ========================================================================== */
table.table-compact { font-size:.78rem !important; border-collapse:collapse !important; }
table.table-compact thead th { padding:6px 8px !important; font-size:.72rem !important; font-weight:700 !important; text-transform:uppercase; letter-spacing:.03em; background-color:#f1f5f9 !important; color:#334155 !important; border-bottom:2px solid var(--border-color) !important; position:sticky; top:0; z-index:10; }
table.table-compact tbody td { padding:4px 8px !important; line-height:1.2 !important; white-space:nowrap !important; border-bottom:1px solid #f1f5f9 !important; }
table.table-compact tbody tr:nth-child(even) { background-color:#f8fafc; }
table.table-compact tbody tr:hover { background-color:#e0f2fe !important; cursor:pointer; }

/* Pagination & Filter im Kompaktmodus */
.teilnehmer-view .dataTables_wrapper .dataTables_filter input,
.teilnehmer-view .dataTables_wrapper .dataTables_length select { height:28px !important; padding:2px 6px !important; font-size:.78rem !important; }

.teilnehmer-view .dataTables_wrapper .dataTables_info,
.teilnehmer-view .dataTables_wrapper .dataTables_paginate { font-size:.75rem !important; margin-top:8px !important; }

/* Fixiert den Tabellenkopf */
table.dataTable thead th { position:sticky; top:0; background-color:#ffffff !important; z-index:10; box-shadow:0 2px 2px -1px rgba(0,0,0,.1); }

/* Verhindert, dass DataTables beim Re-Rendern die Header-Höhe verzieht */
.dataTables_wrapper { position:relative; clear:both; }

/* Card wächst voll mit dem Inhalt mit */
.card,.teilnehmer-view { height:auto !important; max-height:none !important; overflow:visible !important; }

/* Horizontales Scrollen NUR für die Tabelle erlauben */
.table-responsive { width:100%; overflow-x:auto; overflow-y:visible; position:relative; }
.table-responsive table.dataTable { border-collapse:separate !important; border-spacing:0; margin:0 !important; width:100% !important; }
.table-responsive table.dataTable thead th { position:sticky; top:0; background-color:#ffffff !important; z-index:10; box-shadow:0 1px 2px rgba(0,0,0,.1); }