:root {
    --primary-color: #4CAF50;
    --secondary-color: #6c5ce7;
    --tertiary-color: #ff6b6b;
    --background-light: #f0f4f8;
    --background-dark: #1b2a41;
    --text-color: #333;
    --border-color: #ddd;
    --shadow-color: rgba(0,0,0,0.1);
    --hover-shadow: rgba(0,0,0,0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #a29bfe 0%, #6c5ce7 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-color);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px var(--shadow-color);
    overflow: hidden;
}

.header {
    background: var(--background-dark);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.info-section {
    padding: 30px;
    background: var(--background-light);
    border-bottom: 1px solid var(--border-color);
}

.input-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.input-field {
    display: flex;
    flex-direction: column;
}

.input-field label {
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.input-field input {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.input-field input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
}

.button-group {
	padding-top: 10px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.save-btn, .load-btn, .download-btn, .export-btn {
    border: none;
    padding: 15px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
    color: white;
}

.save-btn {
    background: linear-gradient(135deg, #5acf60, #45a049);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.load-btn {
    background: linear-gradient(135deg, #5acf60, #45a049);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.export-btn {
    background: linear-gradient(135deg, #007bff, #0056b3);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

.import-btn {
    background: linear-gradient(135deg, #007bff, #0056b3);
    box-shadow: 0 4px 15px rgba(52, 73, 94, 0.4);
}

.download-btn {
    background: linear-gradient(135deg, var(--tertiary-color), #ff5252);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.save-btn:hover, .load-btn:hover, .download-btn:hover, .export-btn:hover, .import-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--hover-shadow);
}
.progress-bar {
    background: #e9ecef;
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
    margin: 20px 30px;
}

.progress-fill {
    background: linear-gradient(135deg, var(--primary-color), #45a049);
    height: 100%;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    margin: 10px 0 20px;
    font-weight: bold;
    color: #495057;
}

.checklist {
    padding: 30px;
}

.category {
    margin-bottom: 30px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.category-header {
    background: linear-gradient(135deg, var(--secondary-color), #a29bfe);
    color: white;
    padding: 15px 20px;
    font-size: 1.3em;
    font-weight: 600;
}

.category-content {
    background: white;
    padding: 20px;
    border-top: 1px solid #e9ecef;
}

.subcategory {
    margin-top: 20px;
    padding-left: 20px;
    border-left: 3px solid #e9ecef;
}

.subcategory-header {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-size: 1.1em;
}

.checklist-item {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    transition: background-color 0.2s;
    padding: 5px;
}

.checklist-item.completed {
    background-color: rgba(76, 175, 80, 0.05);
    border-radius: 5px;
}

.checklist-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 15px;
    cursor: pointer;
    accent-color: var(--primary-color);
}

.checklist-item label {
    flex-grow: 1;
    font-size: 1.1em;
    font-weight: normal;
    transition: color 0.2s;
    color: #555;
}

.checklist-item input[type="checkbox"]:checked + label {
    text-decoration: line-through;
    color: #999;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #fefefe;
    border-radius: 10px;
    width: 90%;
    max-width: 800px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.3s ease-out;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    padding: 20px;
    background: var(--background-dark);
    color: white;
    border-radius: 10px 10px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5em;
}

.close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}

.close:hover, .close:focus {
    color: var(--tertiary-color);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.saved-tests-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    table-layout: fixed;
}

.saved-tests-table th, .saved-tests-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

.saved-tests-table th {
    background-color: var(--background-light);
    font-weight: 600;
    color: var(--secondary-color);
    text-transform: uppercase;
    font-size: 0.9em;
}

.saved-tests-table tbody tr:hover {
    background-color: rgba(0,0,0,0.03);
}

.test-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.load-test-btn, .delete-test-btn {
    padding: 8px 12px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: white;
    transition: background-color 0.2s;
}

.load-test-btn {
    background-color: var(--primary-color);
}

.load-test-btn:hover {
    background-color: #2e7d32;
}

.delete-test-btn {
    background-color: var(--tertiary-color);
}

.delete-test-btn:hover {
    background-color: #d32f2f;
}

.no-tests-message {
    text-align: center;
    padding: 40px;
    font-style: italic;
    color: #777;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ... vorheriges CSS bleibt unverändert ... */

.button-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.save-btn, .load-btn, .download-btn, .export-btn, .import-btn {
    border: none;
    padding: 15px 25px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: transform 0.2s, box-shadow 0.2s;
    color: white;
}