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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: #4a5568;
        }

        .nav-menu {
            display: flex;
            gap: 1rem;
        }

        .nav-btn {
            padding: 0.5rem 1rem;
            background: #4299e1;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .nav-btn:hover {
            background: #3182ce;
            transform: translateY(-2px);
        }

        .nav-btn.active {
            background: #2d3748;
        }

        .main-content {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 2rem;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .page {
            display: none;
        }

        .page.active {
            display: block;
        }

        .form-section {
            margin-bottom: 2rem;
            padding: 1.5rem;
            background: #f8fafc;
            border-radius: 12px;
            border-left: 4px solid #4299e1;
        }

        .form-section h3 {
            color: #2d3748;
            margin-bottom: 1rem;
            font-size: 1.25rem;
        }

        .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #4a5568;
        }

        .form-control {
            padding: 0.75rem;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            transition: border-color 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: #4299e1;
            box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.1);
        }

        .btn {
            padding: 0.75rem 1.5rem;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }

        .btn-primary {
            background: #4299e1;
            color: white;
        }

        .btn-primary:hover {
            background: #3182ce;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: #e2e8f0;
            color: #4a5568;
        }

        .btn-secondary:hover {
            background: #cbd5e0;
        }

        .btn-danger {
            background: #f56565;
            color: white;
        }

        .btn-danger:hover {
            background: #e53e3e;
        }

        .btn-success {
            background: #48bb78;
            color: white;
        }

        .btn-success:hover {
            background: #38a169;
        }

        .login-container {
            max-width: 400px;
            margin: 5rem auto;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        }

        .login-header {
            text-align: center;
            margin-bottom: 2rem;
        }

        .login-header h2 {
            color: #2d3748;
            margin-bottom: 0.5rem;
        }

        .login-tabs {
            display: flex;
            margin-bottom: 2rem;
            background: #f1f5f9;
            border-radius: 8px;
            padding: 4px;
        }

        .login-tab {
            flex: 1;
            padding: 0.75rem;
            background: transparent;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .login-tab.active {
            background: white;
            color: #4299e1;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .table-container {
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .table {
            width: 100%;
            border-collapse: collapse;
            background: white;
        }

        .table th {
            background: #4a5568;
            color: white;
            padding: 1rem;
            text-align: left;
            font-weight: 600;
        }

        .table td {
            padding: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }

        .table tbody tr:hover {
            background: #f8fafc;
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(5px);
            z-index: 1000;
        }

        .modal.active {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .modal-content {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            max-width: 600px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #e2e8f0;
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #a0aec0;
        }

        .modal-close:hover {
            color: #4a5568;
        }

        .criteria-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 1rem;
        }

        .criteria-table th,
        .criteria-table td {
            border: 1px solid #e2e8f0;
            padding: 0.75rem;
            text-align: left;
        }

        .criteria-table th {
            background: #f8fafc;
            font-weight: 600;
        }

        .criteria-table textarea {
            width: 100%;
            min-height: 60px;
            border: none;
            resize: vertical;
        }

        .criteria-table select {
            width: 100%;
            padding: 0.5rem;
            border: 1px solid #e2e8f0;
            border-radius: 4px;
        }

        .level-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1rem;
            background: #f8fafc;
            border-radius: 8px;
            margin-bottom: 0.5rem;
        }

        .level-item input {
            flex: 1;
        }

        .level-actions {
            display: flex;
            gap: 0.5rem;
        }

        .level-actions button {
            padding: 0.25rem 0.5rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.875rem;
        }

        .card {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 1rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }

        .card-header {
            display: flex;
            justify-content: between;
            align-items: flex-start;
            margin-bottom: 1rem;
        }

        .card-title {
            font-size: 1.25rem;
            font-weight: bold;
            color: #2d3748;
            margin-bottom: 0.5rem;
        }

        .card-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 1rem;
        }

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

        .card-field label {
            font-size: 0.875rem;
            font-weight: 600;
            color: #718096;
            margin-bottom: 0.25rem;
        }

        .card-field span {
            font-weight: 500;
            color: #2d3748;
        }

        .card-actions {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .card-actions .btn {
            font-size: 0.875rem;
            padding: 0.5rem 1rem;
        }

        .grade-badge {
            background: #48bb78;
            color: white;
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .filter-section {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: 12px;
            margin-bottom: 2rem;
        }

        .filter-row {
            display: flex;
            gap: 1rem;
            align-items: end;
            flex-wrap: wrap;
        }

        .report-preview {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .report-header {
            text-align: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 2px solid #e2e8f0;
        }

        .report-title {
            font-size: 1.75rem;
            font-weight: bold;
            color: #2d3748;
            margin-bottom: 1rem;
        }

        .report-info {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .report-info-item {
            display: flex;
            justify-content: space-between;
            padding: 0.5rem 0;
            border-bottom: 1px solid #f1f5f9;
        }

        .report-info-label {
            font-weight: 600;
            color: #4a5568;
        }

        .report-results {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
        }

        .report-results h3 {
            color: #2d3748;
            margin-bottom: 1rem;
        }

        .results-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            text-align: center;
        }

        .result-item {
            background: white;
            padding: 1rem;
            border-radius: 8px;
        }

        .result-value {
            font-size: 1.5rem;
            font-weight: bold;
            color: #4299e1;
        }

        .result-label {
            font-size: 0.875rem;
            color: #718096;
            margin-top: 0.25rem;
        }

        .criteria-details {
            margin-bottom: 2rem;
        }

        .criteria-details h3 {
            color: #2d3748;
            margin-bottom: 1rem;
        }

        .criteria-table-report {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.875rem;
        }

        .criteria-table-report th,
        .criteria-table-report td {
            border: 1px solid #e2e8f0;
            padding: 0.75rem;
            text-align: left;
            vertical-align: top;
        }

        .criteria-table-report th {
            background: #f8fafc;
            font-weight: 600;
        }

        .feedback-section {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: 8px;
        }

        .feedback-section h3 {
            color: #2d3748;
            margin-bottom: 1rem;
        }

        .toast {
            position: fixed;
            top: 20px;
            right: 20px;
            padding: 1rem 1.5rem;
            background: #48bb78;
            color: white;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            transform: translateX(400px);
            transition: transform 0.3s ease;
            z-index: 1001;
        }

        .toast.show {
            transform: translateX(0);
        }

        .toast.error {
            background: #f56565;
        }

        .upload-area {
            border: 2px dashed #cbd5e0;
            border-radius: 8px;
            padding: 2rem;
            text-align: center;
            transition: border-color 0.3s ease;
            cursor: pointer;
        }

        .upload-area:hover {
            border-color: #4299e1;
        }

        .upload-area.dragover {
            border-color: #4299e1;
            background: #f0f8ff;
        }

        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 1rem;
            }

            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .card-info {
                grid-template-columns: 1fr;
            }

            .filter-row {
                flex-direction: column;
                align-items: stretch;
            }

            .report-info {
                grid-template-columns: 1fr;
            }

            .results-grid {
                grid-template-columns: 1fr;
            }
        }

        .hidden {
            display: none !important;
        }

        .loading {
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 3px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            border-top-color: #fff;
            animation: spin 1s ease-in-out infinite;
        }

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

        .btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.text-gray-600 {
    color: #718096;
}

.lista-item:hover {
    background: #edf2f7;
}