/* Basis-Styles (wie vorher) */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --danger-color: #f44336;
    --text-color: #333;
    --border-color: #ddd;
    --bg-color: #f5f5f5;
    --card-bg: #fff;
}
body { font-family: system-ui, sans-serif; background: var(--bg-color); color: var(--text-color); line-height: 1.6; }
.navbar { background: var(--primary-color); color: white; padding: 1rem; box-shadow: 0 2px 4px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
.nav-container { max-width: 1200px; margin: 0 auto; }
.nav-brand { color: white; text-decoration: none; font-size: 1.5rem; font-weight: bold; }
.container { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; gap: 1rem; flex-wrap: wrap; }
.page-header h1 { font-size: 2rem; flex: 1; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1.5rem; }
.card { background: var(--card-bg); border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); transition: transform 0.2s; }
.card-hover:hover { transform: translateY(-4px); cursor: pointer; }
.card-header { padding: 1.5rem; }
.card-header h3 { margin: 0; }
.btn { padding: 0.75rem 1.5rem; border: none; border-radius: 4px; cursor: pointer; font-weight: 500; }
.btn-primary { background: var(--primary-color); color: white; }
.btn-secondary { background: var(--secondary-color); color: white; }
.btn-danger { background: var(--danger-color); color: white; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.9rem; }
.table-container { background: var(--card-bg); border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { background: var(--bg-color); padding: 1rem; text-align: left; font-weight: 600; border-bottom: 2px solid var(--border-color); }
.data-table td { padding: 1rem; border-bottom: 1px solid var(--border-color); }
.data-table tbody tr:hover { background: #f9f9f9; }
.data-table td.actions { display: flex; gap: 0.5rem; }
.modal { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 2000; align-items: center; justify-content: center; padding: 1rem; }
.modal-content { background: var(--card-bg); border-radius: 8px; max-width: 600px; width: 100%; max-height: 90vh; display: flex; flex-direction: column; }
.modal-header { padding: 1.5rem; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; }
.modal-header h2 { margin: 0; }
.close-btn { background: none; border: none; font-size: 2rem; cursor: pointer; color: #999; }
.modal-body { padding: 1.5rem; overflow-y: auto; flex: 1; }
.modal-footer { padding: 1.5rem; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 1rem; }
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; }
.form-control { width: 100%; padding: 0.75rem; border: 1px solid var(--border-color); border-radius: 4px; font-size: 1rem; }
.form-control:focus { outline: none; border-color: var(--primary-color); }
textarea.form-control { min-height: 100px; }
.form-checkbox { width: 1.2rem; height: 1.2rem; }
.empty-state { text-align: center; padding: 3rem; color: #999; }
#toast-container { position: fixed; bottom: 2rem; right: 2rem; z-index: 3000; }
.toast { background: var(--card-bg); padding: 1rem; border-radius: 4px; box-shadow: 0 4px 12px rgba(0,0,0,0.15); margin-bottom: 1rem; }
.toast.success { border-left: 4px solid var(--primary-color); }
.toast.error { border-left: 4px solid var(--danger-color); }
.spinner-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255,255,255,0.9); display: flex; align-items: center; justify-content: center; z-index: 4000; }
.spinner { width: 50px; height: 50px; border: 4px solid var(--border-color); border-top-color: var(--primary-color); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Neue Styles für erweiterte Features */
.multiselect-container { border: 1px solid var(--border-color); border-radius: 4px; padding: 0.5rem; max-height: 200px; overflow-y: auto; }
.multiselect-option { display: block; padding: 0.5rem; cursor: pointer; }
.multiselect-option:hover { background: var(--bg-color); }
.multiselect-option input { margin-right: 0.5rem; }
.image-upload, .file-upload { padding: 0.5rem; border: 1px dashed var(--border-color); border-radius: 4px; }
.image-upload img { margin: 0.5rem 0; border-radius: 4px; }

@media (max-width: 768px) {
    .page-header { flex-direction: column; align-items: stretch; }
    .grid { grid-template-columns: 1fr; }
}