.fh-main-content {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.modern-card {
    background: white;
    border: none;
    border-radius: 15px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.modern-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

/* Line option selector styles */
.line-option {
    cursor: pointer;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    background-color: #ffffff;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
}

.line-option:hover {
    border-color: #3b82f6;
    background-color: #eff6ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.1);
}

.line-option.selected {
    border-color: #3b82f6;
    background-color: #dbeafe;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.line-option.selected:hover {
    border-color: #2563eb;
    background-color: #bfdbfe;
}