/* LX-OEM Colorful UI Styles */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec489a;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1f2937;
    --light: #f3f4f6;
}

.lx-oem-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.lx-oem-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
    padding: 24px;
    margin-bottom: 24px;
    transition: transform 0.3s ease;
}

.lx-oem-card:hover {
    transform: translateY(-2px);
}

.lx-oem-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 30px;
    text-align: center;
}

.lx-oem-header h2 {
    margin: 0;
    font-size: 28px;
}

.lx-oem-btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 14px;
}

.lx-oem-btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.lx-oem-btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(99,102,241,0.3);
}

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

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

.lx-oem-exam-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.lx-oem-exam-item {
    background: linear-gradient(135deg, #fff 0%, #f9fafb 100%);
    border-radius: 16px;
    padding: 20px;
    border-left: 5px solid var(--primary);
    transition: all 0.3s ease;
}

.lx-oem-exam-item:hover {
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}

.lx-oem-timer {
    background: var(--dark);
    color: white;
    padding: 15px;
    border-radius: 12px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
}

.lx-oem-question {
    background: white;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid #e5e7eb;
}

.lx-oem-question-number {
    background: var(--primary);
    color: white;
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin-bottom: 15px;
}

.lx-oem-options label {
    display: block;
    padding: 10px;
    margin: 8px 0;
    background: var(--light);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lx-oem-options label:hover {
    background: #e0e7ff;
    transform: translateX(5px);
}

.lx-oem-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.lx-oem-nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--light);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.lx-oem-nav-btn.active {
    background: var(--primary);
    color: white;
}

.lx-oem-nav-btn.answered {
    background: var(--success);
    color: white;
}

.lx-oem-result {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    color: white;
    border-radius: 20px;
}

.lx-oem-score {
    font-size: 48px;
    font-weight: bold;
    margin: 20px 0;
}

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

.lx-oem-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
}

.lx-oem-form-group input,
.lx-oem-form-group select,
.lx-oem-form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    transition: border-color 0.3s ease;
}

.lx-oem-form-group input:focus,
.lx-oem-form-group select:focus,
.lx-oem-form-group textarea:focus {
    border-color: var(--primary);
    outline: none;
}

.lx-oem-alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.lx-oem-alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success);
}

.lx-oem-alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.lx-oem-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

.lx-oem-table th,
.lx-oem-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.lx-oem-table th {
    background: var(--primary);
    color: white;
}

.lx-oem-table tr:hover {
    background: var(--light);
}

@media (max-width: 768px) {
    .lx-oem-container {
        padding: 10px;
    }
    
    .lx-oem-exam-list {
        grid-template-columns: 1fr;
    }
}