:root {
            --primary: #1a237e;
            --secondary: #283593;
            --success: #00b09b;
            --danger: #ff416c;
            --warning: #ff9800;
            --info: #2196f3;
            --dark: #1a237e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --cyber-blue: #0d47a1;
            --cyber-dark: #0a2e6b;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background: linear-gradient(135deg, #d817c8 0%, #12df2d 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            background: white;
            border-radius: 15px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(to right, #d32f2f, #0d47a1);
            color: white;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 3px solid #ff9800;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .institute-name {
            text-align: center;
            flex: 1;
        }

        .institute-name h1 {
            font-size: 28px;
            margin-bottom: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }

        .institute-name h1 i {
            color: #070707;
            font-size: 32px;
        }

        .institute-name p {
            font-size: 14px;
            opacity: 0.9;
            font-style: italic;
        }

        .user-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-photo {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-size: 20px;
            overflow: hidden;
            border: 2px solid #00ffaa;
        }

        .user-photo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .exam-info {
            display: flex;
            gap: 20px;
            font-size: 14px;
        }

        .exam-info span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .main-content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .question-container {
            background: #85db82;
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(212, 5, 5, 0.05);
            border-left: 4px solid var(--cyber-blue);
        }

        .question-number {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .question-text {
            font-size: 16px;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .options-container {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .option {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 15px;
            background: rgb(252, 252, 252);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
            border: 0.8px solid #b63007;
        }

        .option:hover {
            background: #f1f3f5;
            border-color: var(--info);
        }

        .option.selected {
            background: #fc7ccbfa;
            border-color: var(--info);
        }

        .option input {
            display: none;
        }

        .option-label {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 2px solid var(--gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: transparent;
        }

        .option.selected .option-label {
            background: var(--info);
            border-color: var(--info);
            color: rgb(255, 255, 255);
        }

        .controls {
            display: flex;
            justify-content: space-between;
            gap: 10px;
            margin-top: 20px;
        }

        .btn {
            padding: 12px 20px;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
        }

        .btn-primary {
            background: var(--cyber-blue);
            color: white;
        }

        .btn-secondary {
            background: var(--secondary);
            color: white;
        }

        .btn-success {
            background: var(--success);
            color: white;
        }

        .btn-danger {
            background: var(--danger);
            color: white;
        }

        .btn-warning {
            background: var(--warning);
            color: white;
        }

        .btn-info {
            background: var(--info);
            color: white;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .btn:disabled {
            background: var(--gray);
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .progress-container {
            background: white;
            border-radius: 10px;
            padding: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-left: 4px solid var(--warning);
        }

        .progress-status {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 14px;
        }

        .progress-bar {
            height: 10px;
            background: #e9ecef;
            border-radius: 5px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(to right, var(--success), var(--info));
            width: 0%;
            transition: width 0.5s;
        }

        .question-grid {
            display: grid;
            grid-template-columns: repeat(10, 1fr);
            gap: 10px;
            margin-top: 15px;
        }

        .question-indicator {
            width: 35px;
            height: 35px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }

        .question-indicator.answered {
            background: var(--success);
            color: white;
        }

        .question-indicator.marked {
            background: var(--warning);
            color: white;
        }

        .question-indicator.current {
            background: var(--info);
            color: white;
            transform: scale(1.1);
            border: 2px solid var(--cyber-blue);
        }

        .question-indicator.pending {
            background: #e9ecef;
            color: var(--dark);
        }

        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }

        .modal-content {
            background: white;
            border-radius: 15px;
            width: 90%;
            max-width: 800px;
            max-height: 90vh;
            overflow-y: auto;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        .modal-header {
            background: linear-gradient(to right, var(--cyber-blue), var(--cyber-dark));
            color: white;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-radius: 15px 15px 0 0;
            border-bottom: 3px solid #ff9800;
        }

        .modal-header h2 {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .close-btn {
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
        }

        .modal-body {
            padding: 20px;
        }

        .status-legend {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .status-item {
            display: flex;
            align-items: center;
            gap: 5px;
            font-size: 14px;
        }

        .status-color {
            width: 15px;
            height: 15px;
            border-radius: 3px;
        }

        .status-answered {
            background: var(--success);
        }

        .status-marked {
            background: var(--warning);
        }

        .status-pending {
            background: #e9ecef;
        }

        .report-section {
            margin-bottom: 30px;
        }

        .report-section h3 {
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
            color: var(--dark);
        }

        .report-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .candidate-details, .exam-summary {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 10px;
        }

        .detail-item {
            display: flex;
            margin-bottom: 10px;
            align-items: flex-start;
        }

        .detail-label {
            font-weight: bold;
            width: 120px;
            color: var(--dark);
            flex-shrink: 0;
        }

        .detail-value {
            flex: 1;
        }

        .analysis-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 15px;
        }

        .analysis-table th, .analysis-table td {
            padding: 12px 15px;
            text-align: left;
            border-bottom: 1px solid #e9ecef;
        }

        .analysis-table th {
            background: #f8f9fa;
            color: var(--dark);
        }

        .analysis-table tr:hover {
            background: #f1f3f5;
        }

        .topic-performance {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
        }

        .topic-card {
            background: white;
            border-radius: 10px;
            padding: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            border-top: 3px solid var(--cyber-blue);
        }

        .topic-name {
            font-weight: bold;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .topic-stats {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            margin-bottom: 5px;
        }

        .topic-accuracy {
            font-size: 18px;
            font-weight: bold;
            color: var(--success);
            margin-top: 10px;
        }

        .login-container {
            padding: 30px;
            max-width: 500px;
            margin: 0 auto;
        }

        .login-header {
            text-align: center;
            margin-bottom: 30px;
        }

        .login-header h1 {
            color: var(--cyber-blue);
            margin-bottom: 10px;
        }

        .login-header p {
            color: var(--gray);
            font-style: italic;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #e9ecef;
            border-radius: 8px;
            font-size: 16px;
            transition: all 0.3s;
        }

        .form-control:focus {
            border-color: var(--cyber-blue);
            outline: none;
            box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
        }

        .photo-container {
            text-align: center;
            margin-bottom: 30px;
        }

        .photo-placeholder {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: #e9ecef;
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 50px;
            color: var(--gray);
            border: 3px dashed var(--gray);
            overflow: hidden;
        }

        .photo-placeholder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .photo-btn {
            background: var(--cyber-blue);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 auto;
        }

        .camera-modal {
            display: none;
        }

        .camera-container {
            text-align: center;
        }

        #cameraVideo {
            width: 100%;
            max-width: 400px;
            border-radius: 10px;
            background: #000;
        }

        .camera-controls {
            margin-top: 15px;
            display: flex;
            justify-content: center;
            gap: 10px;
        }

        .timer {
            font-size: 18px;
            font-weight: bold;
            color: var(--danger);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .camera-fallback {
            text-align: center;
            padding: 20px;
        }

        .upload-btn {
            background: var(--cyber-blue);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 8px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 15px auto;
            font-size: 16px;
        }

        .camera-tabs {
            display: flex;
            margin-bottom: 15px;
            border-bottom: 1px solid #e9ecef;
        }

        .camera-tab {
            flex: 1;
            padding: 12px;
            text-align: center;
            background: none;
            border: none;
            cursor: pointer;
            font-weight: bold;
            border-bottom: 3px solid transparent;
        }

        .camera-tab.active {
            border-bottom: 3px solid var(--cyber-blue);
            color: var(--cyber-blue);
        }

        .report-photo-container {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .report-user-photo {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            font-size: 24px;
            overflow: hidden;
            border: 2px solid #ff9800;
        }

        .report-user-photo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .question-grid {
                grid-template-columns: repeat(5, 1fr);
            }
            
            .report-grid {
                grid-template-columns: 1fr;
            }
            
            .controls {
                flex-wrap: wrap;
            }
            
            .btn {
                flex: 1;
                min-width: 120px;
                justify-content: center;
            }
            
            .exam-info {
                flex-direction: column;
                gap: 5px;
            }
            
            .header {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
            
            .institute-name h1 {
                font-size: 22px;
            }
            
            .detail-item {
                flex-direction: column;
                gap: 5px;
            }
            
            .detail-label {
                width: 100%;
            }
        }