html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
}

.page {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    flex-shrink: 0;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.top-row {
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-row a {
    color: #007bff;
    text-decoration: none;
}

.session-info {
    color: #6c757d;
    font-size: 14px;
}

.content {
    flex: 1;
    padding: 20px;
    background: #fff;
}

h1 {
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

/* Parameterstudie Status-Anzeige */
.param-study-status {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #2c3e50;
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 1000;
    font-size: 14px;
}

.param-study-status span {
    flex: 1;
}

.param-study-status button {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 14px;
}

.param-study-status button:hover {
    background: rgba(255,255,255,0.2);
}

.param-study-status .btn-stop-study {
    background: #e74c3c;
    padding: 6px 12px;
    border-radius: 4px;
    font-weight: 500;
}

.param-study-status .btn-stop-study:hover {
    background: #c0392b;
}

/* ========================================
   ValidatorModal Styles (Global)
   ======================================== */
.validator-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: validatorFadeIn 0.15s ease-out;
}

@keyframes validatorFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.validator-modal {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 560px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: validatorSlideIn 0.2s ease-out;
}

@keyframes validatorSlideIn {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.validator-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid #e0e0e0;
    background: linear-gradient(135deg, #4caf50 0%, #2e7d32 100%);
    border-radius: 12px 12px 0 0;
}

.validator-modal-header .header-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
}

.validator-modal-header .header-title h2 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.validator-modal-header .header-title svg {
    color: white;
}

.validator-modal-header .close-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.validator-modal-header .close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.validator-modal-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

/* Sections */
.validator-modal-content .section {
    margin-bottom: 24px;
}

.validator-modal-content .section h3 {
    margin: 0 0 12px 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Module List */
.validator-modal-content .module-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.validator-modal-content .module-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s;
}

.validator-modal-content .module-item:hover {
    background: #eee;
}

.validator-modal-content .module-item.no-mapping {
    opacity: 0.6;
    cursor: not-allowed;
}

.validator-modal-content .module-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: inherit;
}

.validator-modal-content .module-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.validator-modal-content .module-name {
    font-weight: 600;
    color: #333;
}

.validator-modal-content .instance-id {
    font-size: 0.85rem;
    color: #666;
}

.validator-modal-content .mapping-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 10px;
    font-weight: 500;
}

.validator-modal-content .no-mapping-badge {
    font-size: 0.7rem;
    padding: 2px 8px;
    background: #ffebee;
    color: #c62828;
    border-radius: 10px;
    font-weight: 500;
}

/* Empty State */
.validator-modal-content .empty-state {
    text-align: center;
    padding: 32px;
    color: #666;
}

.validator-modal-content .empty-state svg {
    color: #bdbdbd;
    margin-bottom: 12px;
}

.validator-modal-content .empty-state p {
    margin: 8px 0;
}

.validator-modal-content .empty-state .hint {
    font-size: 0.85rem;
    color: #999;
}

/* Form */
.validator-modal-content .form-group {
    margin-bottom: 16px;
}

.validator-modal-content .form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: #555;
    margin-bottom: 6px;
}

.validator-modal-content .form-group input[type="text"],
.validator-modal-content .form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.validator-modal-content .form-group input:focus,
.validator-modal-content .form-group textarea:focus {
    outline: none;
    border-color: #4caf50;
}

.validator-modal-content .form-group input:disabled {
    background: #f5f5f5;
    color: #999;
}

.validator-modal-content .form-group small {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: #999;
}

.validator-modal-content .input-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.validator-modal-content .input-row input[type="text"] {
    flex: 1;
}

.validator-modal-content .checkbox-inline {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    white-space: nowrap;
}

.validator-modal-content .checkbox-inline input {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Buttons */
.validator-modal-content .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.validator-modal-content .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.validator-modal-content .btn.primary {
    background: #4caf50;
    color: white;
}

.validator-modal-content .btn.primary:hover:not(:disabled) {
    background: #43a047;
}

.validator-modal-content .btn.secondary {
    background: #f5f5f5;
    color: #333;
    border: 1px solid #ddd;
}

.validator-modal-content .btn.secondary:hover:not(:disabled) {
    background: #eee;
}

.validator-modal-content .btn.text {
    background: none;
    color: #666;
    padding: 10px 12px;
}

.validator-modal-content .btn.text:hover {
    color: #333;
    background: #f5f5f5;
}

.validator-modal-content .actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid #e0e0e0;
    margin-top: 16px;
}

/* Loading State */
.validator-modal-content .loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 48px;
}

.validator-modal-content .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e0e0e0;
    border-top-color: #4caf50;
    border-radius: 50%;
    animation: validatorSpin 1s linear infinite;
}

@keyframes validatorSpin {
    to { transform: rotate(360deg); }
}

/* Success State */
.validator-modal-content .success-state {
    text-align: center;
}

.validator-modal-content .success-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
    color: #4caf50;
}

.validator-modal-content .success-header h3 {
    margin: 0;
    color: #333;
}

.validator-modal-content .qr-display {
    display: flex;
    gap: 24px;
    padding: 20px;
    background: #f5f5f5;
    border-radius: 12px;
    margin-bottom: 20px;
}

.validator-modal-content .qr-image {
    width: 180px;
    height: 180px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.validator-modal-content .qr-info {
    flex: 1;
    text-align: left;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
}

.validator-modal-content .info-item {
    display: flex;
    flex-direction: column;
}

.validator-modal-content .info-item .label {
    font-size: 0.75rem;
    color: #999;
}

.validator-modal-content .info-item .value {
    font-size: 0.9rem;
    color: #333;
    font-weight: 500;
}

.validator-modal-content .info-item .value.link {
    color: #1a73e8;
    text-decoration: none;
    word-break: break-all;
}

.validator-modal-content .info-item .value.link:hover {
    text-decoration: underline;
}

.validator-modal-content .qr-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}

/* Error State */
.validator-modal-content .error-state {
    text-align: center;
    padding: 24px 0;
}

.validator-modal-content .error-state svg {
    color: #f44336;
    margin-bottom: 12px;
}

.validator-modal-content .error-state h3 {
    margin: 0 0 12px 0;
    color: #f44336;
}

.validator-modal-content .error-state p {
    color: #666;
    margin-bottom: 16px;
}

.validator-modal-content .error-list {
    text-align: left;
    background: #ffebee;
    padding: 12px 12px 12px 32px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: #c62828;
}

/* Responsive */
@media (max-width: 600px) {
    .validator-modal {
        width: 95%;
        max-height: 95vh;
    }

    .validator-modal-content .qr-display {
        flex-direction: column;
        align-items: center;
    }

    .validator-modal-content .qr-info {
        text-align: center;
    }

    .validator-modal-content .qr-actions {
        flex-direction: column;
    }

    .validator-modal-content .qr-actions .btn {
        width: 100%;
    }
}